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Finding the Fourth Proportional to 82.95, 124.49 and 44.46

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Solution

The fourth proportional to 82.95, 124.49 and 44.46 is: 66.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.95 : 124.49 = 44.46 : x
  2. Step 2: Convert to fraction form
    82.95/124.49 = 44.46/x
  3. Step 3: Cross multiply
    82.95x = 124.49 × 44.46
  4. Step 4: Simplify right side
    82.95x = 5,534.94
  5. Step 5: Solve for x
    x = 5,534.94/82.95
  6. Step 6: Final answer
    x = 66.73

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Why These Related Problems?

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