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Finding the Fourth Proportional to 24.26, 33.46 and 15.62

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Solution

The fourth proportional to 24.26, 33.46 and 15.62 is: 21.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.26 : 33.46 = 15.62 : x
  2. Step 2: Convert to fraction form
    24.26/33.46 = 15.62/x
  3. Step 3: Cross multiply
    24.26x = 33.46 × 15.62
  4. Step 4: Simplify right side
    24.26x = 522.65
  5. Step 5: Solve for x
    x = 522.65/24.26
  6. Step 6: Final answer
    x = 21.54

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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.