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Finding the Fourth Proportional to 25.22, 34.61 and 24.97

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Solution

The fourth proportional to 25.22, 34.61 and 24.97 is: 34.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.22 : 34.61 = 24.97 : x
  2. Step 2: Convert to fraction form
    25.22/34.61 = 24.97/x
  3. Step 3: Cross multiply
    25.22x = 34.61 × 24.97
  4. Step 4: Simplify right side
    25.22x = 864.21
  5. Step 5: Solve for x
    x = 864.21/25.22
  6. Step 6: Final answer
    x = 34.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.