find the fourth proportional 8, 32, 17
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11
8 : 32 :: 17 : x
32 × 17 = 8 × x
544 = 8 × x
x = 544 / 8
= 68
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alivia07:
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4
let we think that fourth proportion is x
8:32::17:x
8x=17×32
8x=544
x=68
the fourth proportion is 68
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