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Finding the Fourth Proportional to 16,647,634.60, 24,971,451.90 and 15,652,306.60

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Solution

The fourth proportional to 16,647,634.60, 24,971,451.90 and 15,652,306.60 is: 23,478,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,647,634.60 : 24,971,451.90 = 15,652,306.60 : x
  2. Step 2: Convert to fraction form
    16,647,634.60/24,971,451.90 = 15,652,306.60/x
  3. Step 3: Cross multiply
    16,647,634.60x = 24,971,451.90 × 15,652,306.60
  4. Step 4: Simplify right side
    16,647,634.60x = 390,860,821,385,952.50
  5. Step 5: Solve for x
    x = 390,860,821,385,952.50/16,647,634.60
  6. Step 6: Final answer
    x = 23,478,459.90

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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.