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Finding the Fourth Proportional to 69,657.78, 104,469.39 and 32,713.14

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Solution

The fourth proportional to 69,657.78, 104,469.39 and 32,713.14 is: 49,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,657.78 : 104,469.39 = 32,713.14 : x
  2. Step 2: Convert to fraction form
    69,657.78/104,469.39 = 32,713.14/x
  3. Step 3: Cross multiply
    69,657.78x = 104,469.39 × 32,713.14
  4. Step 4: Simplify right side
    69,657.78x = 3,417,521,780.78
  5. Step 5: Solve for x
    x = 3,417,521,780.78/69,657.78
  6. Step 6: Final answer
    x = 49,061.59

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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.