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Finding the Fourth Proportional to 16.14, 23.85 and 16.11

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Solution

The fourth proportional to 16.14, 23.85 and 16.11 is: 23.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.14 : 23.85 = 16.11 : x
  2. Step 2: Convert to fraction form
    16.14/23.85 = 16.11/x
  3. Step 3: Cross multiply
    16.14x = 23.85 × 16.11
  4. Step 4: Simplify right side
    16.14x = 384.22
  5. Step 5: Solve for x
    x = 384.22/16.14
  6. Step 6: Final answer
    x = 23.81

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.