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Finding the Fourth Proportional to 33.46, 46.19 and 25.71

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Solution

The fourth proportional to 33.46, 46.19 and 25.71 is: 35.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.46 : 46.19 = 25.71 : x
  2. Step 2: Convert to fraction form
    33.46/46.19 = 25.71/x
  3. Step 3: Cross multiply
    33.46x = 46.19 × 25.71
  4. Step 4: Simplify right side
    33.46x = 1,187.54
  5. Step 5: Solve for x
    x = 1,187.54/33.46
  6. Step 6: Final answer
    x = 35.49

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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.