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Finding the Fourth Proportional to 23.92, 33 and 16.56

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Solution

The fourth proportional to 23.92, 33 and 16.56 is: 22.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.92 : 33 = 16.56 : x
  2. Step 2: Convert to fraction form
    23.92/33 = 16.56/x
  3. Step 3: Cross multiply
    23.92x = 33 × 16.56
  4. Step 4: Simplify right side
    23.92x = 546.48
  5. Step 5: Solve for x
    x = 546.48/23.92
  6. Step 6: Final answer
    x = 22.85

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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.