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Finding the Fourth Proportional to 75.50, 104.19 and 44.41

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Solution

The fourth proportional to 75.50, 104.19 and 44.41 is: 61.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.50 : 104.19 = 44.41 : x
  2. Step 2: Convert to fraction form
    75.50/104.19 = 44.41/x
  3. Step 3: Cross multiply
    75.50x = 104.19 × 44.41
  4. Step 4: Simplify right side
    75.50x = 4,626.86
  5. Step 5: Solve for x
    x = 4,626.86/75.50
  6. Step 6: Final answer
    x = 61.28

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