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Finding the Fourth Proportional to 25.52, 35.25 and 22.46

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Solution

The fourth proportional to 25.52, 35.25 and 22.46 is: 31.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.52 : 35.25 = 22.46 : x
  2. Step 2: Convert to fraction form
    25.52/35.25 = 22.46/x
  3. Step 3: Cross multiply
    25.52x = 35.25 × 22.46
  4. Step 4: Simplify right side
    25.52x = 791.72
  5. Step 5: Solve for x
    x = 791.72/25.52
  6. Step 6: Final answer
    x = 31.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.