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Finding the Fourth Proportional to 16,353,791.20, 24,483,447.60 and 9,976,499.20

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Solution

The fourth proportional to 16,353,791.20, 24,483,447.60 and 9,976,499.20 is: 14,935,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,353,791.20 : 24,483,447.60 = 9,976,499.20 : x
  2. Step 2: Convert to fraction form
    16,353,791.20/24,483,447.60 = 9,976,499.20/x
  3. Step 3: Cross multiply
    16,353,791.20x = 24,483,447.60 × 9,976,499.20
  4. Step 4: Simplify right side
    16,353,791.20x = 244,259,095,394,641.91
  5. Step 5: Solve for x
    x = 244,259,095,394,641.91/16,353,791.20
  6. Step 6: Final answer
    x = 14,935,930.90

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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.