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Finding the Fourth Proportional to 35,002,542.80, 52,488,067.80 and 13,429,974.80

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Solution

The fourth proportional to 35,002,542.80, 52,488,067.80 and 13,429,974.80 is: 20,138,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,002,542.80 : 52,488,067.80 = 13,429,974.80 : x
  2. Step 2: Convert to fraction form
    35,002,542.80/52,488,067.80 = 13,429,974.80/x
  3. Step 3: Cross multiply
    35,002,542.80x = 52,488,067.80 × 13,429,974.80
  4. Step 4: Simplify right side
    35,002,542.80x = 704,913,427,854,691.50
  5. Step 5: Solve for x
    x = 704,913,427,854,691.50/35,002,542.80
  6. Step 6: Final answer
    x = 20,138,920.53

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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.