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Finding the Fourth Proportional to 23.92, 33.02 and 14.23

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Solution

The fourth proportional to 23.92, 33.02 and 14.23 is: 19.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.92 : 33.02 = 14.23 : x
  2. Step 2: Convert to fraction form
    23.92/33.02 = 14.23/x
  3. Step 3: Cross multiply
    23.92x = 33.02 × 14.23
  4. Step 4: Simplify right side
    23.92x = 469.64
  5. Step 5: Solve for x
    x = 469.64/23.92
  6. Step 6: Final answer
    x = 19.63

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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.