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Finding the Fourth Proportional to 16.26, 24.39 and 10.26

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Solution

The fourth proportional to 16.26, 24.39 and 10.26 is: 15.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.26 : 24.39 = 10.26 : x
  2. Step 2: Convert to fraction form
    16.26/24.39 = 10.26/x
  3. Step 3: Cross multiply
    16.26x = 24.39 × 10.26
  4. Step 4: Simplify right side
    16.26x = 250.24
  5. Step 5: Solve for x
    x = 250.24/16.26
  6. Step 6: Final answer
    x = 15.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.