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Finding the Fourth Proportional to 94.96, 142.41 and 26.48

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Solution

The fourth proportional to 94.96, 142.41 and 26.48 is: 39.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.96 : 142.41 = 26.48 : x
  2. Step 2: Convert to fraction form
    94.96/142.41 = 26.48/x
  3. Step 3: Cross multiply
    94.96x = 142.41 × 26.48
  4. Step 4: Simplify right side
    94.96x = 3,770.73
  5. Step 5: Solve for x
    x = 3,770.73/94.96
  6. Step 6: Final answer
    x = 39.71

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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.