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Finding the Fourth Proportional to 38.26, 57.41 and 16.60

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Solution

The fourth proportional to 38.26, 57.41 and 16.60 is: 24.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.26 : 57.41 = 16.60 : x
  2. Step 2: Convert to fraction form
    38.26/57.41 = 16.60/x
  3. Step 3: Cross multiply
    38.26x = 57.41 × 16.60
  4. Step 4: Simplify right side
    38.26x = 953.01
  5. Step 5: Solve for x
    x = 953.01/38.26
  6. Step 6: Final answer
    x = 24.91

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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.