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Finding the Fourth Proportional to 69,517.64, 95,934.56 and 37,686.56

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Solution

The fourth proportional to 69,517.64, 95,934.56 and 37,686.56 is: 52,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,517.64 : 95,934.56 = 37,686.56 : x
  2. Step 2: Convert to fraction form
    69,517.64/95,934.56 = 37,686.56/x
  3. Step 3: Cross multiply
    69,517.64x = 95,934.56 × 37,686.56
  4. Step 4: Simplify right side
    69,517.64x = 3,615,442,883.41
  5. Step 5: Solve for x
    x = 3,615,442,883.41/69,517.64
  6. Step 6: Final answer
    x = 52,007.56

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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.