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Finding the Fourth Proportional to 7,932.11, 10,924.12 and 7,759.92

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Solution

The fourth proportional to 7,932.11, 10,924.12 and 7,759.92 is: 10,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.11 : 10,924.12 = 7,759.92 : x
  2. Step 2: Convert to fraction form
    7,932.11/10,924.12 = 7,759.92/x
  3. Step 3: Cross multiply
    7,932.11x = 10,924.12 × 7,759.92
  4. Step 4: Simplify right side
    7,932.11x = 84,770,306.97
  5. Step 5: Solve for x
    x = 84,770,306.97/7,932.11
  6. Step 6: Final answer
    x = 10,686.98

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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.