document.write( "Question 27009: 100:x=25:3
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Algebra.Com's Answer #22287 by tran3209(100)\"\" \"About 
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The problem.
\n" ); document.write( "100/x = 25/3\r
\n" ); document.write( "\n" ); document.write( "Since this is a proportion you must use cross multiplication to solve for x.\r
\n" ); document.write( "\n" ); document.write( "100*3= 25*x\r
\n" ); document.write( "\n" ); document.write( "300=25x\r
\n" ); document.write( "\n" ); document.write( "25x=300\r
\n" ); document.write( "\n" ); document.write( "x=300/25\r
\n" ); document.write( "\n" ); document.write( "x= 12
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