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Finding the Fourth Proportional to 8,250.57, 12,377.90 and 2,407.19

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Solution

The fourth proportional to 8,250.57, 12,377.90 and 2,407.19 is: 3,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.57 : 12,377.90 = 2,407.19 : x
  2. Step 2: Convert to fraction form
    8,250.57/12,377.90 = 2,407.19/x
  3. Step 3: Cross multiply
    8,250.57x = 12,377.90 × 2,407.19
  4. Step 4: Simplify right side
    8,250.57x = 29,795,883.18
  5. Step 5: Solve for x
    x = 29,795,883.18/8,250.57
  6. Step 6: Final answer
    x = 3,611.37

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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.