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Finding the Fourth Proportional to 16.71, 23.06 and 9.44

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Solution

The fourth proportional to 16.71, 23.06 and 9.44 is: 13.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.71 : 23.06 = 9.44 : x
  2. Step 2: Convert to fraction form
    16.71/23.06 = 9.44/x
  3. Step 3: Cross multiply
    16.71x = 23.06 × 9.44
  4. Step 4: Simplify right side
    16.71x = 217.59
  5. Step 5: Solve for x
    x = 217.59/16.71
  6. Step 6: Final answer
    x = 13.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.