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Finding the Fourth Proportional to 18,568.32, 27,844.98 and 6,882.48

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Solution

The fourth proportional to 18,568.32, 27,844.98 and 6,882.48 is: 10,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.32 : 27,844.98 = 6,882.48 : x
  2. Step 2: Convert to fraction form
    18,568.32/27,844.98 = 6,882.48/x
  3. Step 3: Cross multiply
    18,568.32x = 27,844.98 × 6,882.48
  4. Step 4: Simplify right side
    18,568.32x = 191,642,517.95
  5. Step 5: Solve for x
    x = 191,642,517.95/18,568.32
  6. Step 6: Final answer
    x = 10,320.94

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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.