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Finding the Fourth Proportional to 16.01, 24 and 6.86

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Solution

The fourth proportional to 16.01, 24 and 6.86 is: 10.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.01 : 24 = 6.86 : x
  2. Step 2: Convert to fraction form
    16.01/24 = 6.86/x
  3. Step 3: Cross multiply
    16.01x = 24 × 6.86
  4. Step 4: Simplify right side
    16.01x = 164.64
  5. Step 5: Solve for x
    x = 164.64/16.01
  6. Step 6: Final answer
    x = 10.28

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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.