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Finding the Fourth Proportional to 22,757.31, 34,143.98 and 11,669.22

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Solution

The fourth proportional to 22,757.31, 34,143.98 and 11,669.22 is: 17,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,757.31 : 34,143.98 = 11,669.22 : x
  2. Step 2: Convert to fraction form
    22,757.31/34,143.98 = 11,669.22/x
  3. Step 3: Cross multiply
    22,757.31x = 34,143.98 × 11,669.22
  4. Step 4: Simplify right side
    22,757.31x = 398,433,555.95
  5. Step 5: Solve for x
    x = 398,433,555.95/22,757.31
  6. Step 6: Final answer
    x = 17,507.94

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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.