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Finding the Fourth Proportional to 63,531.73, 87,684.29 and 35,246.53

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Solution

The fourth proportional to 63,531.73, 87,684.29 and 35,246.53 is: 48,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,531.73 : 87,684.29 = 35,246.53 : x
  2. Step 2: Convert to fraction form
    63,531.73/87,684.29 = 35,246.53/x
  3. Step 3: Cross multiply
    63,531.73x = 87,684.29 × 35,246.53
  4. Step 4: Simplify right side
    63,531.73x = 3,090,566,781.78
  5. Step 5: Solve for x
    x = 3,090,566,781.78/63,531.73
  6. Step 6: Final answer
    x = 48,646.04

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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.