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Finding the Fourth Proportional to 44,813.31, 67,229.95 and 13,650.99

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Solution

The fourth proportional to 44,813.31, 67,229.95 and 13,650.99 is: 20,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,813.31 : 67,229.95 = 13,650.99 : x
  2. Step 2: Convert to fraction form
    44,813.31/67,229.95 = 13,650.99/x
  3. Step 3: Cross multiply
    44,813.31x = 67,229.95 × 13,650.99
  4. Step 4: Simplify right side
    44,813.31x = 917,755,375.15
  5. Step 5: Solve for x
    x = 917,755,375.15/44,813.31
  6. Step 6: Final answer
    x = 20,479.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.