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Finding the Fourth Proportional to 37.97, 57 and 36.53

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Solution

The fourth proportional to 37.97, 57 and 36.53 is: 54.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.97 : 57 = 36.53 : x
  2. Step 2: Convert to fraction form
    37.97/57 = 36.53/x
  3. Step 3: Cross multiply
    37.97x = 57 × 36.53
  4. Step 4: Simplify right side
    37.97x = 2,082.21
  5. Step 5: Solve for x
    x = 2,082.21/37.97
  6. Step 6: Final answer
    x = 54.84

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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.