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Finding the Fourth Proportional to 8,266.70, 12,401.22 and 2,422.52

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Solution

The fourth proportional to 8,266.70, 12,401.22 and 2,422.52 is: 3,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.70 : 12,401.22 = 2,422.52 : x
  2. Step 2: Convert to fraction form
    8,266.70/12,401.22 = 2,422.52/x
  3. Step 3: Cross multiply
    8,266.70x = 12,401.22 × 2,422.52
  4. Step 4: Simplify right side
    8,266.70x = 30,042,203.47
  5. Step 5: Solve for x
    x = 30,042,203.47/8,266.70
  6. Step 6: Final answer
    x = 3,634.12

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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.