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Finding the Fourth Proportional to 5,614.67, 7,748.29 and 3,096.87

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Solution

The fourth proportional to 5,614.67, 7,748.29 and 3,096.87 is: 4,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.67 : 7,748.29 = 3,096.87 : x
  2. Step 2: Convert to fraction form
    5,614.67/7,748.29 = 3,096.87/x
  3. Step 3: Cross multiply
    5,614.67x = 7,748.29 × 3,096.87
  4. Step 4: Simplify right side
    5,614.67x = 23,995,446.85
  5. Step 5: Solve for x
    x = 23,995,446.85/5,614.67
  6. Step 6: Final answer
    x = 4,273.71

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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.