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Finding the Fourth Proportional to 49.39, 68.00 and 44.18

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Solution

The fourth proportional to 49.39, 68.00 and 44.18 is: 60.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.39 : 68.00 = 44.18 : x
  2. Step 2: Convert to fraction form
    49.39/68.00 = 44.18/x
  3. Step 3: Cross multiply
    49.39x = 68.00 × 44.18
  4. Step 4: Simplify right side
    49.39x = 3,003.93
  5. Step 5: Solve for x
    x = 3,003.93/49.39
  6. Step 6: Final answer
    x = 60.82

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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.