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Finding the Fourth Proportional to 18,229.16, 27,344.02 and 6,382.52

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Solution

The fourth proportional to 18,229.16, 27,344.02 and 6,382.52 is: 9,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.16 : 27,344.02 = 6,382.52 : x
  2. Step 2: Convert to fraction form
    18,229.16/27,344.02 = 6,382.52/x
  3. Step 3: Cross multiply
    18,229.16x = 27,344.02 × 6,382.52
  4. Step 4: Simplify right side
    18,229.16x = 174,523,754.53
  5. Step 5: Solve for x
    x = 174,523,754.53/18,229.16
  6. Step 6: Final answer
    x = 9,573.88

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Why These Related Problems?

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