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Finding the Fourth Proportional to 69,382.28, 95,766.03 and 39,185.27

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Solution

The fourth proportional to 69,382.28, 95,766.03 and 39,185.27 is: 54,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,382.28 : 95,766.03 = 39,185.27 : x
  2. Step 2: Convert to fraction form
    69,382.28/95,766.03 = 39,185.27/x
  3. Step 3: Cross multiply
    69,382.28x = 95,766.03 × 39,185.27
  4. Step 4: Simplify right side
    69,382.28x = 3,752,617,546.45
  5. Step 5: Solve for x
    x = 3,752,617,546.45/69,382.28
  6. Step 6: Final answer
    x = 54,086.11

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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.