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Finding the Fourth Proportional to 24.11, 35.90 and 22.85

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Solution

The fourth proportional to 24.11, 35.90 and 22.85 is: 34.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.11 : 35.90 = 22.85 : x
  2. Step 2: Convert to fraction form
    24.11/35.90 = 22.85/x
  3. Step 3: Cross multiply
    24.11x = 35.90 × 22.85
  4. Step 4: Simplify right side
    24.11x = 820.02
  5. Step 5: Solve for x
    x = 820.02/24.11
  6. Step 6: Final answer
    x = 34.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.