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Finding the Fourth Proportional to 41.25, 61.88 and 29.84

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Solution

The fourth proportional to 41.25, 61.88 and 29.84 is: 44.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.25 : 61.88 = 29.84 : x
  2. Step 2: Convert to fraction form
    41.25/61.88 = 29.84/x
  3. Step 3: Cross multiply
    41.25x = 61.88 × 29.84
  4. Step 4: Simplify right side
    41.25x = 1,846.50
  5. Step 5: Solve for x
    x = 1,846.50/41.25
  6. Step 6: Final answer
    x = 44.76

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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.