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Finding the Fourth Proportional to 7,934.65, 11,901.92 and 2,387.97

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Solution

The fourth proportional to 7,934.65, 11,901.92 and 2,387.97 is: 3,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.65 : 11,901.92 = 2,387.97 : x
  2. Step 2: Convert to fraction form
    7,934.65/11,901.92 = 2,387.97/x
  3. Step 3: Cross multiply
    7,934.65x = 11,901.92 × 2,387.97
  4. Step 4: Simplify right side
    7,934.65x = 28,421,415.96
  5. Step 5: Solve for x
    x = 28,421,415.96/7,934.65
  6. Step 6: Final answer
    x = 3,581.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.