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Finding the Fourth Proportional to 14.69, 22.01 and 8.27

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Solution

The fourth proportional to 14.69, 22.01 and 8.27 is: 12.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.69 : 22.01 = 8.27 : x
  2. Step 2: Convert to fraction form
    14.69/22.01 = 8.27/x
  3. Step 3: Cross multiply
    14.69x = 22.01 × 8.27
  4. Step 4: Simplify right side
    14.69x = 182.02
  5. Step 5: Solve for x
    x = 182.02/14.69
  6. Step 6: Final answer
    x = 12.39

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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.