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Finding the Fourth Proportional to 25.22, 34.36 and 24.73

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Solution

The fourth proportional to 25.22, 34.36 and 24.73 is: 33.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.22 : 34.36 = 24.73 : x
  2. Step 2: Convert to fraction form
    25.22/34.36 = 24.73/x
  3. Step 3: Cross multiply
    25.22x = 34.36 × 24.73
  4. Step 4: Simplify right side
    25.22x = 849.72
  5. Step 5: Solve for x
    x = 849.72/25.22
  6. Step 6: Final answer
    x = 33.69

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.