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Finding the Fourth Proportional to 16.09, 24.07 and 10.38

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Solution

The fourth proportional to 16.09, 24.07 and 10.38 is: 15.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.09 : 24.07 = 10.38 : x
  2. Step 2: Convert to fraction form
    16.09/24.07 = 10.38/x
  3. Step 3: Cross multiply
    16.09x = 24.07 × 10.38
  4. Step 4: Simplify right side
    16.09x = 249.85
  5. Step 5: Solve for x
    x = 249.85/16.09
  6. Step 6: Final answer
    x = 15.53

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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.