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Finding the Fourth Proportional to 32.26, 44.52 and 25.78

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Solution

The fourth proportional to 32.26, 44.52 and 25.78 is: 35.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.26 : 44.52 = 25.78 : x
  2. Step 2: Convert to fraction form
    32.26/44.52 = 25.78/x
  3. Step 3: Cross multiply
    32.26x = 44.52 × 25.78
  4. Step 4: Simplify right side
    32.26x = 1,147.73
  5. Step 5: Solve for x
    x = 1,147.73/32.26
  6. Step 6: Final answer
    x = 35.58

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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.