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Finding the Fourth Proportional to 11,565.38, 15,960.22 and 6,260.24

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Solution

The fourth proportional to 11,565.38, 15,960.22 and 6,260.24 is: 8,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.38 : 15,960.22 = 6,260.24 : x
  2. Step 2: Convert to fraction form
    11,565.38/15,960.22 = 6,260.24/x
  3. Step 3: Cross multiply
    11,565.38x = 15,960.22 × 6,260.24
  4. Step 4: Simplify right side
    11,565.38x = 99,914,807.65
  5. Step 5: Solve for x
    x = 99,914,807.65/11,565.38
  6. Step 6: Final answer
    x = 8,639.13

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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.