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Finding the Fourth Proportional to 3,718.27, 5,571.27 and 2,617.27

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Solution

The fourth proportional to 3,718.27, 5,571.27 and 2,617.27 is: 3,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.27 : 5,571.27 = 2,617.27 : x
  2. Step 2: Convert to fraction form
    3,718.27/5,571.27 = 2,617.27/x
  3. Step 3: Cross multiply
    3,718.27x = 5,571.27 × 2,617.27
  4. Step 4: Simplify right side
    3,718.27x = 14,581,517.83
  5. Step 5: Solve for x
    x = 14,581,517.83/3,718.27
  6. Step 6: Final answer
    x = 3,921.59

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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.