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Finding the Fourth Proportional to 23.94, 33.06 and 18.76

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Solution

The fourth proportional to 23.94, 33.06 and 18.76 is: 25.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.94 : 33.06 = 18.76 : x
  2. Step 2: Convert to fraction form
    23.94/33.06 = 18.76/x
  3. Step 3: Cross multiply
    23.94x = 33.06 × 18.76
  4. Step 4: Simplify right side
    23.94x = 620.21
  5. Step 5: Solve for x
    x = 620.21/23.94
  6. Step 6: Final answer
    x = 25.91

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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.