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Finding the Fourth Proportional to 8,868.97, 13,266.46 and 6,236.29

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Solution

The fourth proportional to 8,868.97, 13,266.46 and 6,236.29 is: 9,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.97 : 13,266.46 = 6,236.29 : x
  2. Step 2: Convert to fraction form
    8,868.97/13,266.46 = 6,236.29/x
  3. Step 3: Cross multiply
    8,868.97x = 13,266.46 × 6,236.29
  4. Step 4: Simplify right side
    8,868.97x = 82,733,491.83
  5. Step 5: Solve for x
    x = 82,733,491.83/8,868.97
  6. Step 6: Final answer
    x = 9,328.42

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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.