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Finding the Fourth Proportional to 33.35, 46.02 and 18.79

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Solution

The fourth proportional to 33.35, 46.02 and 18.79 is: 25.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.35 : 46.02 = 18.79 : x
  2. Step 2: Convert to fraction form
    33.35/46.02 = 18.79/x
  3. Step 3: Cross multiply
    33.35x = 46.02 × 18.79
  4. Step 4: Simplify right side
    33.35x = 864.62
  5. Step 5: Solve for x
    x = 864.62/33.35
  6. Step 6: Final answer
    x = 25.93

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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.