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Finding the Fourth Proportional to 97.54, 146.26 and 36.64

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Solution

The fourth proportional to 97.54, 146.26 and 36.64 is: 54.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.54 : 146.26 = 36.64 : x
  2. Step 2: Convert to fraction form
    97.54/146.26 = 36.64/x
  3. Step 3: Cross multiply
    97.54x = 146.26 × 36.64
  4. Step 4: Simplify right side
    97.54x = 5,358.97
  5. Step 5: Solve for x
    x = 5,358.97/97.54
  6. Step 6: Final answer
    x = 54.94

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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.