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Finding the Fourth Proportional to 6,600.87, 9,892.13 and 4,382.28

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Solution

The fourth proportional to 6,600.87, 9,892.13 and 4,382.28 is: 6,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.87 : 9,892.13 = 4,382.28 : x
  2. Step 2: Convert to fraction form
    6,600.87/9,892.13 = 4,382.28/x
  3. Step 3: Cross multiply
    6,600.87x = 9,892.13 × 4,382.28
  4. Step 4: Simplify right side
    6,600.87x = 43,350,061.55
  5. Step 5: Solve for x
    x = 43,350,061.55/6,600.87
  6. Step 6: Final answer
    x = 6,567.33

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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.