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Finding the Fourth Proportional to 69,365.76, 95,713.92 and 39,552

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Solution

The fourth proportional to 69,365.76, 95,713.92 and 39,552 is: 54,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,365.76 : 95,713.92 = 39,552 : x
  2. Step 2: Convert to fraction form
    69,365.76/95,713.92 = 39,552/x
  3. Step 3: Cross multiply
    69,365.76x = 95,713.92 × 39,552
  4. Step 4: Simplify right side
    69,365.76x = 3,785,676,963.84
  5. Step 5: Solve for x
    x = 3,785,676,963.84/69,365.76
  6. Step 6: Final answer
    x = 54,575.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.