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Finding the Fourth Proportional to 8,874.87, 12,247.20 and 4,895.97

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Solution

The fourth proportional to 8,874.87, 12,247.20 and 4,895.97 is: 6,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.87 : 12,247.20 = 4,895.97 : x
  2. Step 2: Convert to fraction form
    8,874.87/12,247.20 = 4,895.97/x
  3. Step 3: Cross multiply
    8,874.87x = 12,247.20 × 4,895.97
  4. Step 4: Simplify right side
    8,874.87x = 59,961,923.78
  5. Step 5: Solve for x
    x = 59,961,923.78/8,874.87
  6. Step 6: Final answer
    x = 6,756.37

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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.