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Finding the Fourth Proportional to 76.05, 104.92 and 44.96

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Solution

The fourth proportional to 76.05, 104.92 and 44.96 is: 62.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.05 : 104.92 = 44.96 : x
  2. Step 2: Convert to fraction form
    76.05/104.92 = 44.96/x
  3. Step 3: Cross multiply
    76.05x = 104.92 × 44.96
  4. Step 4: Simplify right side
    76.05x = 4,716.57
  5. Step 5: Solve for x
    x = 4,716.57/76.05
  6. Step 6: Final answer
    x = 62.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.