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Finding the Fourth Proportional to 33.70, 46.46 and 25.48

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Solution

The fourth proportional to 33.70, 46.46 and 25.48 is: 35.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.70 : 46.46 = 25.48 : x
  2. Step 2: Convert to fraction form
    33.70/46.46 = 25.48/x
  3. Step 3: Cross multiply
    33.70x = 46.46 × 25.48
  4. Step 4: Simplify right side
    33.70x = 1,183.80
  5. Step 5: Solve for x
    x = 1,183.80/33.70
  6. Step 6: Final answer
    x = 35.13

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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.