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Finding the Fourth Proportional to 114.62, 171.97 and 36.53

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Solution

The fourth proportional to 114.62, 171.97 and 36.53 is: 54.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.62 : 171.97 = 36.53 : x
  2. Step 2: Convert to fraction form
    114.62/171.97 = 36.53/x
  3. Step 3: Cross multiply
    114.62x = 171.97 × 36.53
  4. Step 4: Simplify right side
    114.62x = 6,281.88
  5. Step 5: Solve for x
    x = 6,281.88/114.62
  6. Step 6: Final answer
    x = 54.81

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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.