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Finding the Fourth Proportional to 47,851.52, 71,601.72 and 39,934.48

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Solution

The fourth proportional to 47,851.52, 71,601.72 and 39,934.48 is: 59,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.52 : 71,601.72 = 39,934.48 : x
  2. Step 2: Convert to fraction form
    47,851.52/71,601.72 = 39,934.48/x
  3. Step 3: Cross multiply
    47,851.52x = 71,601.72 × 39,934.48
  4. Step 4: Simplify right side
    47,851.52x = 2,859,377,455.31
  5. Step 5: Solve for x
    x = 2,859,377,455.31/47,851.52
  6. Step 6: Final answer
    x = 59,755.21

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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.