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Finding the Fourth Proportional to 5,614.99, 8,418.72 and 2,691.70

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Solution

The fourth proportional to 5,614.99, 8,418.72 and 2,691.70 is: 4,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.99 : 8,418.72 = 2,691.70 : x
  2. Step 2: Convert to fraction form
    5,614.99/8,418.72 = 2,691.70/x
  3. Step 3: Cross multiply
    5,614.99x = 8,418.72 × 2,691.70
  4. Step 4: Simplify right side
    5,614.99x = 22,660,668.62
  5. Step 5: Solve for x
    x = 22,660,668.62/5,614.99
  6. Step 6: Final answer
    x = 4,035.75

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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.