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Finding the Fourth Proportional to 22,469,951.60, 33,704,927.40 and 18,687,705.20

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Solution

The fourth proportional to 22,469,951.60, 33,704,927.40 and 18,687,705.20 is: 28,031,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469,951.60 : 33,704,927.40 = 18,687,705.20 : x
  2. Step 2: Convert to fraction form
    22,469,951.60/33,704,927.40 = 18,687,705.20/x
  3. Step 3: Cross multiply
    22,469,951.60x = 33,704,927.40 × 18,687,705.20
  4. Step 4: Simplify right side
    22,469,951.60x = 629,867,747,038,602.38
  5. Step 5: Solve for x
    x = 629,867,747,038,602.38/22,469,951.60
  6. Step 6: Final answer
    x = 28,031,557.80

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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.