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Finding the Fourth Proportional to 25,646.71, 35,392.19 and 15,034.29

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Solution

The fourth proportional to 25,646.71, 35,392.19 and 15,034.29 is: 20,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,646.71 : 35,392.19 = 15,034.29 : x
  2. Step 2: Convert to fraction form
    25,646.71/35,392.19 = 15,034.29/x
  3. Step 3: Cross multiply
    25,646.71x = 35,392.19 × 15,034.29
  4. Step 4: Simplify right side
    25,646.71x = 532,096,448.20
  5. Step 5: Solve for x
    x = 532,096,448.20/25,646.71
  6. Step 6: Final answer
    x = 20,747.16

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.