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Finding the Fourth Proportional to 38.95, 58.41 and 24.48

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Solution

The fourth proportional to 38.95, 58.41 and 24.48 is: 36.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.95 : 58.41 = 24.48 : x
  2. Step 2: Convert to fraction form
    38.95/58.41 = 24.48/x
  3. Step 3: Cross multiply
    38.95x = 58.41 × 24.48
  4. Step 4: Simplify right side
    38.95x = 1,429.75
  5. Step 5: Solve for x
    x = 1,429.75/38.95
  6. Step 6: Final answer
    x = 36.71

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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.