document.write( "Question 995658: Find the constant of proportionality.
\n" ); document.write( "Z is directly proportional to the sum of x and y. If x= 4 and y= 2, then z = 24
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Algebra.Com's Answer #614418 by Theo(13342)\"\" \"About 
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z = k * (x + y)\r
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\n" ); document.write( "\n" ); document.write( "z = 24 when x = 4 and y = 2\r
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\n" ); document.write( "\n" ); document.write( "you get:\r
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\n" ); document.write( "\n" ); document.write( "24 = k * (4+2) which becomes:\r
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\n" ); document.write( "\n" ); document.write( "24 = k * 6\r
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\n" ); document.write( "\n" ); document.write( "solve for k to get k = 24/6 = 4.\r
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\n" ); document.write( "\n" ); document.write( "your constant of proportionality is 4.\r
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