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Finding the Fourth Proportional to 82.93, 114.44 and 49.73

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Solution

The fourth proportional to 82.93, 114.44 and 49.73 is: 68.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.93 : 114.44 = 49.73 : x
  2. Step 2: Convert to fraction form
    82.93/114.44 = 49.73/x
  3. Step 3: Cross multiply
    82.93x = 114.44 × 49.73
  4. Step 4: Simplify right side
    82.93x = 5,691.10
  5. Step 5: Solve for x
    x = 5,691.10/82.93
  6. Step 6: Final answer
    x = 68.63

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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.