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Finding the Fourth Proportional to 83.44, 125.17 and 32.08

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Solution

The fourth proportional to 83.44, 125.17 and 32.08 is: 48.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.44 : 125.17 = 32.08 : x
  2. Step 2: Convert to fraction form
    83.44/125.17 = 32.08/x
  3. Step 3: Cross multiply
    83.44x = 125.17 × 32.08
  4. Step 4: Simplify right side
    83.44x = 4,015.45
  5. Step 5: Solve for x
    x = 4,015.45/83.44
  6. Step 6: Final answer
    x = 48.12

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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.