document.write( "Question 1136700: Two barrels are geometrically similar. Their heights are 16 inches and 20 inches. The diameter of the base of the larger barrel is 8 inches. Calculate the diameter of the base of the smaller barrel. \n" ); document.write( "
Algebra.Com's Answer #754518 by ikleyn(52787)\"\" \"About 
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document.write( "From similarity, you have this proportion\r\n" );
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document.write( "    \"h%5B1%5D%2Fd%5B1%5D\" = \"h%5B2%5D%2Fd%5B2%5D\".\r\n" );
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document.write( "(Let the index 1 refers to the smaller barrel, while the index 2 refers to the larger).\r\n" );
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document.write( "In this proportion, three terms are given to you, so you can write it in the form\r\n" );
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document.write( "    \"16%2Fd%5B1%5D\" = \"20%2F8\".\r\n" );
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document.write( "From this proportion, find \"d%5B1%5D\" as the interior term\r\n" );
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document.write( "    \"d%5B1%5D\" = \"%2816%2A8%29%2F20\" = 6.4 inches.     ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "On proportions,  see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Proportions\r
\n" ); document.write( "\n" ); document.write( "    - Using proportions to solve word problems \r
\n" ); document.write( "\n" ); document.write( "    - Using proportions to solve word problems in Physics \r
\n" ); document.write( "\n" ); document.write( "    - Using proportions to solve Chemistry problems\r
\n" ); document.write( "\n" ); document.write( "    - Using proportions to estimate the number of fish in a lake\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO algebreze and solve these problems using proportions \r
\n" ); document.write( "\n" ); document.write( "    - OVERVIEW of lessons on proportions\r
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