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Finding the Fourth Proportional to 16,647,622.60, 24,971,433.90 and 15,652,294.60

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Solution

The fourth proportional to 16,647,622.60, 24,971,433.90 and 15,652,294.60 is: 23,478,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,647,622.60 : 24,971,433.90 = 15,652,294.60 : x
  2. Step 2: Convert to fraction form
    16,647,622.60/24,971,433.90 = 15,652,294.60/x
  3. Step 3: Cross multiply
    16,647,622.60x = 24,971,433.90 × 15,652,294.60
  4. Step 4: Simplify right side
    16,647,622.60x = 390,860,239,987,226.94
  5. Step 5: Solve for x
    x = 390,860,239,987,226.94/16,647,622.60
  6. Step 6: Final answer
    x = 23,478,441.90

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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.