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Finding the Fourth Proportional to 5,672.97, 8,508.15 and 2,163.38

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Solution

The fourth proportional to 5,672.97, 8,508.15 and 2,163.38 is: 3,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.97 : 8,508.15 = 2,163.38 : x
  2. Step 2: Convert to fraction form
    5,672.97/8,508.15 = 2,163.38/x
  3. Step 3: Cross multiply
    5,672.97x = 8,508.15 × 2,163.38
  4. Step 4: Simplify right side
    5,672.97x = 18,406,319.01
  5. Step 5: Solve for x
    x = 18,406,319.01/5,672.97
  6. Step 6: Final answer
    x = 3,244.56

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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.