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Finding the Fourth Proportional to 54,818.88, 82,231.02 and 17,882.88

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Solution

The fourth proportional to 54,818.88, 82,231.02 and 17,882.88 is: 26,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818.88 : 82,231.02 = 17,882.88 : x
  2. Step 2: Convert to fraction form
    54,818.88/82,231.02 = 17,882.88/x
  3. Step 3: Cross multiply
    54,818.88x = 82,231.02 × 17,882.88
  4. Step 4: Simplify right side
    54,818.88x = 1,470,527,462.94
  5. Step 5: Solve for x
    x = 1,470,527,462.94/54,818.88
  6. Step 6: Final answer
    x = 26,825.20

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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.