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Finding the Fourth Proportional to 52.97, 73.11 and 33.56

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Solution

The fourth proportional to 52.97, 73.11 and 33.56 is: 46.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.97 : 73.11 = 33.56 : x
  2. Step 2: Convert to fraction form
    52.97/73.11 = 33.56/x
  3. Step 3: Cross multiply
    52.97x = 73.11 × 33.56
  4. Step 4: Simplify right side
    52.97x = 2,453.57
  5. Step 5: Solve for x
    x = 2,453.57/52.97
  6. Step 6: Final answer
    x = 46.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.