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Finding the Fourth Proportional to 18,575.93, 27,872.40 and 8,049.17

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Solution

The fourth proportional to 18,575.93, 27,872.40 and 8,049.17 is: 12,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.93 : 27,872.40 = 8,049.17 : x
  2. Step 2: Convert to fraction form
    18,575.93/27,872.40 = 8,049.17/x
  3. Step 3: Cross multiply
    18,575.93x = 27,872.40 × 8,049.17
  4. Step 4: Simplify right side
    18,575.93x = 224,349,685.91
  5. Step 5: Solve for x
    x = 224,349,685.91/18,575.93
  6. Step 6: Final answer
    x = 12,077.44

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1.5x scale

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.