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Finding the Fourth Proportional to 49,388.32, 68,156 and 27,882.73

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Solution

The fourth proportional to 49,388.32, 68,156 and 27,882.73 is: 38,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.32 : 68,156 = 27,882.73 : x
  2. Step 2: Convert to fraction form
    49,388.32/68,156 = 27,882.73/x
  3. Step 3: Cross multiply
    49,388.32x = 68,156 × 27,882.73
  4. Step 4: Simplify right side
    49,388.32x = 1,900,375,345.88
  5. Step 5: Solve for x
    x = 1,900,375,345.88/49,388.32
  6. Step 6: Final answer
    x = 38,478.23

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1.5x scale

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.