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Finding the Fourth Proportional to 97.38, 146.02 and 33.24

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Solution

The fourth proportional to 97.38, 146.02 and 33.24 is: 49.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.38 : 146.02 = 33.24 : x
  2. Step 2: Convert to fraction form
    97.38/146.02 = 33.24/x
  3. Step 3: Cross multiply
    97.38x = 146.02 × 33.24
  4. Step 4: Simplify right side
    97.38x = 4,853.70
  5. Step 5: Solve for x
    x = 4,853.70/97.38
  6. Step 6: Final answer
    x = 49.84

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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.