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Finding the Fourth Proportional to 33.94, 46.79 and 25.74

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Solution

The fourth proportional to 33.94, 46.79 and 25.74 is: 35.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.94 : 46.79 = 25.74 : x
  2. Step 2: Convert to fraction form
    33.94/46.79 = 25.74/x
  3. Step 3: Cross multiply
    33.94x = 46.79 × 25.74
  4. Step 4: Simplify right side
    33.94x = 1,204.34
  5. Step 5: Solve for x
    x = 1,204.34/33.94
  6. Step 6: Final answer
    x = 35.48

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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.