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Finding the Fourth Proportional to 22,424,821.20, 33,652,978.20 and 9,654,490.80

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Solution

The fourth proportional to 22,424,821.20, 33,652,978.20 and 9,654,490.80 is: 14,488,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424,821.20 : 33,652,978.20 = 9,654,490.80 : x
  2. Step 2: Convert to fraction form
    22,424,821.20/33,652,978.20 = 9,654,490.80/x
  3. Step 3: Cross multiply
    22,424,821.20x = 33,652,978.20 × 9,654,490.80
  4. Step 4: Simplify right side
    22,424,821.20x = 324,902,368,424,500.62
  5. Step 5: Solve for x
    x = 324,902,368,424,500.62/22,424,821.20
  6. Step 6: Final answer
    x = 14,488,515.45

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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.