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Finding the Fourth Proportional to 8,874.66, 12,247.11 and 4,895.94

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Solution

The fourth proportional to 8,874.66, 12,247.11 and 4,895.94 is: 6,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.66 : 12,247.11 = 4,895.94 : x
  2. Step 2: Convert to fraction form
    8,874.66/12,247.11 = 4,895.94/x
  3. Step 3: Cross multiply
    8,874.66x = 12,247.11 × 4,895.94
  4. Step 4: Simplify right side
    8,874.66x = 59,961,115.73
  5. Step 5: Solve for x
    x = 59,961,115.73/8,874.66
  6. Step 6: Final answer
    x = 6,756.44

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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.