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Finding the Fourth Proportional to 37.98, 52.16 and 33.92

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Solution

The fourth proportional to 37.98, 52.16 and 33.92 is: 46.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.98 : 52.16 = 33.92 : x
  2. Step 2: Convert to fraction form
    37.98/52.16 = 33.92/x
  3. Step 3: Cross multiply
    37.98x = 52.16 × 33.92
  4. Step 4: Simplify right side
    37.98x = 1,769.27
  5. Step 5: Solve for x
    x = 1,769.27/37.98
  6. Step 6: Final answer
    x = 46.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.