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Finding the Fourth Proportional to 24.14, 33.26 and 18.65

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Solution

The fourth proportional to 24.14, 33.26 and 18.65 is: 25.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.14 : 33.26 = 18.65 : x
  2. Step 2: Convert to fraction form
    24.14/33.26 = 18.65/x
  3. Step 3: Cross multiply
    24.14x = 33.26 × 18.65
  4. Step 4: Simplify right side
    24.14x = 620.04
  5. Step 5: Solve for x
    x = 620.04/24.14
  6. Step 6: Final answer
    x = 25.69

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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.