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Finding the Fourth Proportional to 25.76, 38.82 and 24.44

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Solution

The fourth proportional to 25.76, 38.82 and 24.44 is: 36.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.76 : 38.82 = 24.44 : x
  2. Step 2: Convert to fraction form
    25.76/38.82 = 24.44/x
  3. Step 3: Cross multiply
    25.76x = 38.82 × 24.44
  4. Step 4: Simplify right side
    25.76x = 948.57
  5. Step 5: Solve for x
    x = 948.57/25.76
  6. Step 6: Final answer
    x = 36.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.