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Finding the Fourth Proportional to 6,198.56, 8,553.11 and 3,545.47

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Solution

The fourth proportional to 6,198.56, 8,553.11 and 3,545.47 is: 4,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.56 : 8,553.11 = 3,545.47 : x
  2. Step 2: Convert to fraction form
    6,198.56/8,553.11 = 3,545.47/x
  3. Step 3: Cross multiply
    6,198.56x = 8,553.11 × 3,545.47
  4. Step 4: Simplify right side
    6,198.56x = 30,324,752.15
  5. Step 5: Solve for x
    x = 30,324,752.15/6,198.56
  6. Step 6: Final answer
    x = 4,892.23

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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.