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Finding the Fourth Proportional to 18,233.87, 27,350.80 and 5,921.87

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Solution

The fourth proportional to 18,233.87, 27,350.80 and 5,921.87 is: 8,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.87 : 27,350.80 = 5,921.87 : x
  2. Step 2: Convert to fraction form
    18,233.87/27,350.80 = 5,921.87/x
  3. Step 3: Cross multiply
    18,233.87x = 27,350.80 × 5,921.87
  4. Step 4: Simplify right side
    18,233.87x = 161,967,730.44
  5. Step 5: Solve for x
    x = 161,967,730.44/18,233.87
  6. Step 6: Final answer
    x = 8,882.80

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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.