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Finding the Fourth Proportional to 97.44, 145.97 and 36.53

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Solution

The fourth proportional to 97.44, 145.97 and 36.53 is: 54.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.44 : 145.97 = 36.53 : x
  2. Step 2: Convert to fraction form
    97.44/145.97 = 36.53/x
  3. Step 3: Cross multiply
    97.44x = 145.97 × 36.53
  4. Step 4: Simplify right side
    97.44x = 5,332.28
  5. Step 5: Solve for x
    x = 5,332.28/97.44
  6. Step 6: Final answer
    x = 54.72

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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.