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Finding the Fourth Proportional to 25.22, 34.62 and 24.38

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Solution

The fourth proportional to 25.22, 34.62 and 24.38 is: 33.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.22 : 34.62 = 24.38 : x
  2. Step 2: Convert to fraction form
    25.22/34.62 = 24.38/x
  3. Step 3: Cross multiply
    25.22x = 34.62 × 24.38
  4. Step 4: Simplify right side
    25.22x = 844.04
  5. Step 5: Solve for x
    x = 844.04/25.22
  6. Step 6: Final answer
    x = 33.47

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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.