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Finding the Fourth Proportional to 18,337,147.60, 27,505,721.40 and 18,337,147.60

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Solution

The fourth proportional to 18,337,147.60, 27,505,721.40 and 18,337,147.60 is: 27,505,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337,147.60 : 27,505,721.40 = 18,337,147.60 : x
  2. Step 2: Convert to fraction form
    18,337,147.60/27,505,721.40 = 18,337,147.60/x
  3. Step 3: Cross multiply
    18,337,147.60x = 27,505,721.40 × 18,337,147.60
  4. Step 4: Simplify right side
    18,337,147.60x = 504,376,473,156,278.62
  5. Step 5: Solve for x
    x = 504,376,473,156,278.62/18,337,147.60
  6. Step 6: Final answer
    x = 27,505,721.40

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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.