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Finding the Fourth Proportional to 33.87, 46.71 and 33.26

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Solution

The fourth proportional to 33.87, 46.71 and 33.26 is: 45.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.87 : 46.71 = 33.26 : x
  2. Step 2: Convert to fraction form
    33.87/46.71 = 33.26/x
  3. Step 3: Cross multiply
    33.87x = 46.71 × 33.26
  4. Step 4: Simplify right side
    33.87x = 1,553.34
  5. Step 5: Solve for x
    x = 1,553.34/33.87
  6. Step 6: Final answer
    x = 45.86

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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.