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Finding the Fourth Proportional to 18,586.62, 27,882.92 and 6,103.71

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Solution

The fourth proportional to 18,586.62, 27,882.92 and 6,103.71 is: 9,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.62 : 27,882.92 = 6,103.71 : x
  2. Step 2: Convert to fraction form
    18,586.62/27,882.92 = 6,103.71/x
  3. Step 3: Cross multiply
    18,586.62x = 27,882.92 × 6,103.71
  4. Step 4: Simplify right side
    18,586.62x = 170,189,272.89
  5. Step 5: Solve for x
    x = 170,189,272.89/18,586.62
  6. Step 6: Final answer
    x = 9,156.55

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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.