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Finding the Fourth Proportional to 97.73, 146.55 and 36.82

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Solution

The fourth proportional to 97.73, 146.55 and 36.82 is: 55.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.73 : 146.55 = 36.82 : x
  2. Step 2: Convert to fraction form
    97.73/146.55 = 36.82/x
  3. Step 3: Cross multiply
    97.73x = 146.55 × 36.82
  4. Step 4: Simplify right side
    97.73x = 5,396.58
  5. Step 5: Solve for x
    x = 5,396.58/97.73
  6. Step 6: Final answer
    x = 55.22

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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.