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Finding the Fourth Proportional to 94.12, 141.17 and 33.25

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Solution

The fourth proportional to 94.12, 141.17 and 33.25 is: 49.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.12 : 141.17 = 33.25 : x
  2. Step 2: Convert to fraction form
    94.12/141.17 = 33.25/x
  3. Step 3: Cross multiply
    94.12x = 141.17 × 33.25
  4. Step 4: Simplify right side
    94.12x = 4,693.90
  5. Step 5: Solve for x
    x = 4,693.90/94.12
  6. Step 6: Final answer
    x = 49.87

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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.