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Finding the Fourth Proportional to 40.22, 60.25 and 24.98

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Solution

The fourth proportional to 40.22, 60.25 and 24.98 is: 37.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.22 : 60.25 = 24.98 : x
  2. Step 2: Convert to fraction form
    40.22/60.25 = 24.98/x
  3. Step 3: Cross multiply
    40.22x = 60.25 × 24.98
  4. Step 4: Simplify right side
    40.22x = 1,505.05
  5. Step 5: Solve for x
    x = 1,505.05/40.22
  6. Step 6: Final answer
    x = 37.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.