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Finding the Fourth Proportional to 33.65, 46.49 and 25.13

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Solution

The fourth proportional to 33.65, 46.49 and 25.13 is: 34.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.65 : 46.49 = 25.13 : x
  2. Step 2: Convert to fraction form
    33.65/46.49 = 25.13/x
  3. Step 3: Cross multiply
    33.65x = 46.49 × 25.13
  4. Step 4: Simplify right side
    33.65x = 1,168.29
  5. Step 5: Solve for x
    x = 1,168.29/33.65
  6. Step 6: Final answer
    x = 34.72

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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.