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Finding the Fourth Proportional to 69,921.92, 96,488.82 and 38,088.92

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Solution

The fourth proportional to 69,921.92, 96,488.82 and 38,088.92 is: 52,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,921.92 : 96,488.82 = 38,088.92 : x
  2. Step 2: Convert to fraction form
    69,921.92/96,488.82 = 38,088.92/x
  3. Step 3: Cross multiply
    69,921.92x = 96,488.82 × 38,088.92
  4. Step 4: Simplify right side
    69,921.92x = 3,675,154,945.87
  5. Step 5: Solve for x
    x = 3,675,154,945.87/69,921.92
  6. Step 6: Final answer
    x = 52,560.84

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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.