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Finding the Fourth Proportional to 41.96, 62.96 and 36.28

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Solution

The fourth proportional to 41.96, 62.96 and 36.28 is: 54.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.96 : 62.96 = 36.28 : x
  2. Step 2: Convert to fraction form
    41.96/62.96 = 36.28/x
  3. Step 3: Cross multiply
    41.96x = 62.96 × 36.28
  4. Step 4: Simplify right side
    41.96x = 2,284.19
  5. Step 5: Solve for x
    x = 2,284.19/41.96
  6. Step 6: Final answer
    x = 54.44

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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.