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Finding the Fourth Proportional to 35,002,972.80, 52,488,712.80 and 13,430,404.80

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Solution

The fourth proportional to 35,002,972.80, 52,488,712.80 and 13,430,404.80 is: 20,139,565.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,002,972.80 : 52,488,712.80 = 13,430,404.80 : x
  2. Step 2: Convert to fraction form
    35,002,972.80/52,488,712.80 = 13,430,404.80/x
  3. Step 3: Cross multiply
    35,002,972.80x = 52,488,712.80 × 13,430,404.80
  4. Step 4: Simplify right side
    35,002,972.80x = 704,944,660,334,941.50
  5. Step 5: Solve for x
    x = 704,944,660,334,941.50/35,002,972.80
  6. Step 6: Final answer
    x = 20,139,565.41

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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.