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Finding the Fourth Proportional to 19,424,737.20, 27,234,445.20 and 19,424,737.20

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Solution

The fourth proportional to 19,424,737.20, 27,234,445.20 and 19,424,737.20 is: 27,234,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424,737.20 : 27,234,445.20 = 19,424,737.20 : x
  2. Step 2: Convert to fraction form
    19,424,737.20/27,234,445.20 = 19,424,737.20/x
  3. Step 3: Cross multiply
    19,424,737.20x = 27,234,445.20 × 19,424,737.20
  4. Step 4: Simplify right side
    19,424,737.20x = 529,021,940,797,801.38
  5. Step 5: Solve for x
    x = 529,021,940,797,801.38/19,424,737.20
  6. Step 6: Final answer
    x = 27,234,445.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.