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Finding the Fourth Proportional to 63,344.86, 87,402.02 and 37,847.39

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Solution

The fourth proportional to 63,344.86, 87,402.02 and 37,847.39 is: 52,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,344.86 : 87,402.02 = 37,847.39 : x
  2. Step 2: Convert to fraction form
    63,344.86/87,402.02 = 37,847.39/x
  3. Step 3: Cross multiply
    63,344.86x = 87,402.02 × 37,847.39
  4. Step 4: Simplify right side
    63,344.86x = 3,307,938,650.85
  5. Step 5: Solve for x
    x = 3,307,938,650.85/63,344.86
  6. Step 6: Final answer
    x = 52,221.11

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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.