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Finding the Fourth Proportional to 49.91, 68.61 and 44.07

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Solution

The fourth proportional to 49.91, 68.61 and 44.07 is: 60.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.91 : 68.61 = 44.07 : x
  2. Step 2: Convert to fraction form
    49.91/68.61 = 44.07/x
  3. Step 3: Cross multiply
    49.91x = 68.61 × 44.07
  4. Step 4: Simplify right side
    49.91x = 3,023.64
  5. Step 5: Solve for x
    x = 3,023.64/49.91
  6. Step 6: Final answer
    x = 60.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.