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Finding the Fourth Proportional to 39,458.88, 59,218.92 and 29,488.68

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Solution

The fourth proportional to 39,458.88, 59,218.92 and 29,488.68 is: 44,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,458.88 : 59,218.92 = 29,488.68 : x
  2. Step 2: Convert to fraction form
    39,458.88/59,218.92 = 29,488.68/x
  3. Step 3: Cross multiply
    39,458.88x = 59,218.92 × 29,488.68
  4. Step 4: Simplify right side
    39,458.88x = 1,746,287,781.83
  5. Step 5: Solve for x
    x = 1,746,287,781.83/39,458.88
  6. Step 6: Final answer
    x = 44,255.89

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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.