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Finding the Fourth Proportional to 18,568.72, 27,843.94 and 6,086.44

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Solution

The fourth proportional to 18,568.72, 27,843.94 and 6,086.44 is: 9,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.72 : 27,843.94 = 6,086.44 : x
  2. Step 2: Convert to fraction form
    18,568.72/27,843.94 = 6,086.44/x
  3. Step 3: Cross multiply
    18,568.72x = 27,843.94 × 6,086.44
  4. Step 4: Simplify right side
    18,568.72x = 169,470,470.17
  5. Step 5: Solve for x
    x = 169,470,470.17/18,568.72
  6. Step 6: Final answer
    x = 9,126.66

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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.