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Finding the Fourth Proportional to 49.83, 68.63 and 44.91

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Solution

The fourth proportional to 49.83, 68.63 and 44.91 is: 61.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.83 : 68.63 = 44.91 : x
  2. Step 2: Convert to fraction form
    49.83/68.63 = 44.91/x
  3. Step 3: Cross multiply
    49.83x = 68.63 × 44.91
  4. Step 4: Simplify right side
    49.83x = 3,081.95
  5. Step 5: Solve for x
    x = 3,081.95/49.83
  6. Step 6: Final answer
    x = 61.85

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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.