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Finding the Fourth Proportional to 18,096.85, 27,144.24 and 10,747.99

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Solution

The fourth proportional to 18,096.85, 27,144.24 and 10,747.99 is: 16,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.85 : 27,144.24 = 10,747.99 : x
  2. Step 2: Convert to fraction form
    18,096.85/27,144.24 = 10,747.99/x
  3. Step 3: Cross multiply
    18,096.85x = 27,144.24 × 10,747.99
  4. Step 4: Simplify right side
    18,096.85x = 291,746,020.08
  5. Step 5: Solve for x
    x = 291,746,020.08/18,096.85
  6. Step 6: Final answer
    x = 16,121.37

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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.