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Finding the Fourth Proportional to 22,917,469.78, 34,375,705.30 and 10,780,205.75

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Solution

The fourth proportional to 22,917,469.78, 34,375,705.30 and 10,780,205.75 is: 16,170,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917,469.78 : 34,375,705.30 = 10,780,205.75 : x
  2. Step 2: Convert to fraction form
    22,917,469.78/34,375,705.30 = 10,780,205.75/x
  3. Step 3: Cross multiply
    22,917,469.78x = 34,375,705.30 × 10,780,205.75
  4. Step 4: Simplify right side
    22,917,469.78x = 370,577,175,935,365.44
  5. Step 5: Solve for x
    x = 370,577,175,935,365.44/22,917,469.78
  6. Step 6: Final answer
    x = 16,170,073.73

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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.