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Finding the Fourth Proportional to 69,693.81, 96,173.82 and 37,862.61

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Solution

The fourth proportional to 69,693.81, 96,173.82 and 37,862.61 is: 52,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693.81 : 96,173.82 = 37,862.61 : x
  2. Step 2: Convert to fraction form
    69,693.81/96,173.82 = 37,862.61/x
  3. Step 3: Cross multiply
    69,693.81x = 96,173.82 × 37,862.61
  4. Step 4: Simplify right side
    69,693.81x = 3,641,391,838.87
  5. Step 5: Solve for x
    x = 3,641,391,838.87/69,693.81
  6. Step 6: Final answer
    x = 52,248.43

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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.