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Finding the Fourth Proportional to 33.79, 46.63 and 32.43

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Solution

The fourth proportional to 33.79, 46.63 and 32.43 is: 44.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.79 : 46.63 = 32.43 : x
  2. Step 2: Convert to fraction form
    33.79/46.63 = 32.43/x
  3. Step 3: Cross multiply
    33.79x = 46.63 × 32.43
  4. Step 4: Simplify right side
    33.79x = 1,511.85
  5. Step 5: Solve for x
    x = 1,511.85/33.79
  6. Step 6: Final answer
    x = 44.74

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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.