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Finding the Fourth Proportional to 8,266.55, 12,396.11 and 2,423.61

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Solution

The fourth proportional to 8,266.55, 12,396.11 and 2,423.61 is: 3,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.55 : 12,396.11 = 2,423.61 : x
  2. Step 2: Convert to fraction form
    8,266.55/12,396.11 = 2,423.61/x
  3. Step 3: Cross multiply
    8,266.55x = 12,396.11 × 2,423.61
  4. Step 4: Simplify right side
    8,266.55x = 30,043,324.04
  5. Step 5: Solve for x
    x = 30,043,324.04/8,266.55
  6. Step 6: Final answer
    x = 3,634.33

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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.