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Finding the Fourth Proportional to 26, 35.85 and 24.55

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Solution

The fourth proportional to 26, 35.85 and 24.55 is: 33.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26 : 35.85 = 24.55 : x
  2. Step 2: Convert to fraction form
    26/35.85 = 24.55/x
  3. Step 3: Cross multiply
    26x = 35.85 × 24.55
  4. Step 4: Simplify right side
    26x = 880.12
  5. Step 5: Solve for x
    x = 880.12/26
  6. Step 6: Final answer
    x = 33.85

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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.