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Finding the Fourth Proportional to 97.52, 146.24 and 40.52

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Solution

The fourth proportional to 97.52, 146.24 and 40.52 is: 60.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.52 : 146.24 = 40.52 : x
  2. Step 2: Convert to fraction form
    97.52/146.24 = 40.52/x
  3. Step 3: Cross multiply
    97.52x = 146.24 × 40.52
  4. Step 4: Simplify right side
    97.52x = 5,925.64
  5. Step 5: Solve for x
    x = 5,925.64/97.52
  6. Step 6: Final answer
    x = 60.76

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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.