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Finding the Fourth Proportional to 5,472.87, 8,210.03 and 2,510.61

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Solution

The fourth proportional to 5,472.87, 8,210.03 and 2,510.61 is: 3,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.87 : 8,210.03 = 2,510.61 : x
  2. Step 2: Convert to fraction form
    5,472.87/8,210.03 = 2,510.61/x
  3. Step 3: Cross multiply
    5,472.87x = 8,210.03 × 2,510.61
  4. Step 4: Simplify right side
    5,472.87x = 20,612,183.42
  5. Step 5: Solve for x
    x = 20,612,183.42/5,472.87
  6. Step 6: Final answer
    x = 3,766.25

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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.