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Finding the Fourth Proportional to 83.49, 125.24 and 22.63

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Solution

The fourth proportional to 83.49, 125.24 and 22.63 is: 33.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.49 : 125.24 = 22.63 : x
  2. Step 2: Convert to fraction form
    83.49/125.24 = 22.63/x
  3. Step 3: Cross multiply
    83.49x = 125.24 × 22.63
  4. Step 4: Simplify right side
    83.49x = 2,833.75
  5. Step 5: Solve for x
    x = 2,833.75/83.49
  6. Step 6: Final answer
    x = 33.94

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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.