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Finding the Fourth Proportional to 69,993.66, 96,591.17 and 38,162.55

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Solution

The fourth proportional to 69,993.66, 96,591.17 and 38,162.55 is: 52,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,993.66 : 96,591.17 = 38,162.55 : x
  2. Step 2: Convert to fraction form
    69,993.66/96,591.17 = 38,162.55/x
  3. Step 3: Cross multiply
    69,993.66x = 96,591.17 × 38,162.55
  4. Step 4: Simplify right side
    69,993.66x = 3,686,165,163.87
  5. Step 5: Solve for x
    x = 3,686,165,163.87/69,993.66
  6. Step 6: Final answer
    x = 52,664.27

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