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Finding the Fourth Proportional to 34.80, 51.96 and 33.44

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Solution

The fourth proportional to 34.80, 51.96 and 33.44 is: 49.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.80 : 51.96 = 33.44 : x
  2. Step 2: Convert to fraction form
    34.80/51.96 = 33.44/x
  3. Step 3: Cross multiply
    34.80x = 51.96 × 33.44
  4. Step 4: Simplify right side
    34.80x = 1,737.54
  5. Step 5: Solve for x
    x = 1,737.54/34.80
  6. Step 6: Final answer
    x = 49.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.