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Finding the Fourth Proportional to 47,806.92, 66,015.54 and 29,932.38

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Solution

The fourth proportional to 47,806.92, 66,015.54 and 29,932.38 is: 41,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,806.92 : 66,015.54 = 29,932.38 : x
  2. Step 2: Convert to fraction form
    47,806.92/66,015.54 = 29,932.38/x
  3. Step 3: Cross multiply
    47,806.92x = 66,015.54 × 29,932.38
  4. Step 4: Simplify right side
    47,806.92x = 1,976,002,229.19
  5. Step 5: Solve for x
    x = 1,976,002,229.19/47,806.92
  6. Step 6: Final answer
    x = 41,332.97

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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.