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Finding the Fourth Proportional to 48.94, 73.56 and 33.82

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Solution

The fourth proportional to 48.94, 73.56 and 33.82 is: 50.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.94 : 73.56 = 33.82 : x
  2. Step 2: Convert to fraction form
    48.94/73.56 = 33.82/x
  3. Step 3: Cross multiply
    48.94x = 73.56 × 33.82
  4. Step 4: Simplify right side
    48.94x = 2,487.80
  5. Step 5: Solve for x
    x = 2,487.80/48.94
  6. Step 6: Final answer
    x = 50.83

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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.