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Finding the Fourth Proportional to 18,443.52, 25,451.80 and 10,060

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Solution

The fourth proportional to 18,443.52, 25,451.80 and 10,060 is: 13,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.52 : 25,451.80 = 10,060 : x
  2. Step 2: Convert to fraction form
    18,443.52/25,451.80 = 10,060/x
  3. Step 3: Cross multiply
    18,443.52x = 25,451.80 × 10,060
  4. Step 4: Simplify right side
    18,443.52x = 256,045,108
  5. Step 5: Solve for x
    x = 256,045,108/18,443.52
  6. Step 6: Final answer
    x = 13,882.66

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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.