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Finding the Fourth Proportional to 38.48, 57.60 and 24.89

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Solution

The fourth proportional to 38.48, 57.60 and 24.89 is: 37.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.48 : 57.60 = 24.89 : x
  2. Step 2: Convert to fraction form
    38.48/57.60 = 24.89/x
  3. Step 3: Cross multiply
    38.48x = 57.60 × 24.89
  4. Step 4: Simplify right side
    38.48x = 1,433.38
  5. Step 5: Solve for x
    x = 1,433.38/38.48
  6. Step 6: Final answer
    x = 37.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.