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Finding the Fourth Proportional to 82.43, 123.59 and 41.84

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Solution

The fourth proportional to 82.43, 123.59 and 41.84 is: 62.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.43 : 123.59 = 41.84 : x
  2. Step 2: Convert to fraction form
    82.43/123.59 = 41.84/x
  3. Step 3: Cross multiply
    82.43x = 123.59 × 41.84
  4. Step 4: Simplify right side
    82.43x = 5,170.18
  5. Step 5: Solve for x
    x = 5,170.18/82.43
  6. Step 6: Final answer
    x = 62.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.