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Finding the Fourth Proportional to 22,708.17, 34,049.90 and 7,913.11

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Solution

The fourth proportional to 22,708.17, 34,049.90 and 7,913.11 is: 11,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.17 : 34,049.90 = 7,913.11 : x
  2. Step 2: Convert to fraction form
    22,708.17/34,049.90 = 7,913.11/x
  3. Step 3: Cross multiply
    22,708.17x = 34,049.90 × 7,913.11
  4. Step 4: Simplify right side
    22,708.17x = 269,440,604.19
  5. Step 5: Solve for x
    x = 269,440,604.19/22,708.17
  6. Step 6: Final answer
    x = 11,865.36

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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.