Find the fourth porportion of 2,3 and 8.Find x, if 9,90.x,20 are in proportion.
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Answer:
Step-by-step explanation:
`Let the fourth proportional to be 2 , 3 , 8 be x
Then 2 : 3 :: 8 : x
= 2 * x = 3 * 8
= x = 3 * 8 / 2 = 12 Answer
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