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Finding the Fourth Proportional to 41.76, 62.62 and 33.22

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Solution

The fourth proportional to 41.76, 62.62 and 33.22 is: 49.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.76 : 62.62 = 33.22 : x
  2. Step 2: Convert to fraction form
    41.76/62.62 = 33.22/x
  3. Step 3: Cross multiply
    41.76x = 62.62 × 33.22
  4. Step 4: Simplify right side
    41.76x = 2,080.00
  5. Step 5: Solve for x
    x = 2,080.00/41.76
  6. Step 6: Final answer
    x = 49.81

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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.