three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500.Find the numbers.( do it by fractional method)
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Answer:
Step-by-step explanation:
Let x be the common ratio
So the numbers are,
x, 2x and 3x
Sum of their cubes = 4500
=> x³ + (2x)³ + (3x)³ = 4500
=> x³ + 8x³ + 27x³ = 4500
=> 36x³ = 4500
=> x³ = 4500/36 = 125
=> x = ∛125 = 5
Therefore, the 3 numbers are,
5, 10 and 15
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the answers were five ,yen , fifteen
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