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Finding the Fourth Proportional to 18,581.35, 27,876.29 and 8,053.14

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Solution

The fourth proportional to 18,581.35, 27,876.29 and 8,053.14 is: 12,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.35 : 27,876.29 = 8,053.14 : x
  2. Step 2: Convert to fraction form
    18,581.35/27,876.29 = 8,053.14/x
  3. Step 3: Cross multiply
    18,581.35x = 27,876.29 × 8,053.14
  4. Step 4: Simplify right side
    18,581.35x = 224,491,625.78
  5. Step 5: Solve for x
    x = 224,491,625.78/18,581.35
  6. Step 6: Final answer
    x = 12,081.55

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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.