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Finding the Fourth Proportional to 69,694.87, 96,179.38 and 37,863.76

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Solution

The fourth proportional to 69,694.87, 96,179.38 and 37,863.76 is: 52,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,694.87 : 96,179.38 = 37,863.76 : x
  2. Step 2: Convert to fraction form
    69,694.87/96,179.38 = 37,863.76/x
  3. Step 3: Cross multiply
    69,694.87x = 96,179.38 × 37,863.76
  4. Step 4: Simplify right side
    69,694.87x = 3,641,712,626.16
  5. Step 5: Solve for x
    x = 3,641,712,626.16/69,694.87
  6. Step 6: Final answer
    x = 52,252.24

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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.