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Finding the Fourth Proportional to 33.48, 45.92 and 32.80

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Solution

The fourth proportional to 33.48, 45.92 and 32.80 is: 44.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.48 : 45.92 = 32.80 : x
  2. Step 2: Convert to fraction form
    33.48/45.92 = 32.80/x
  3. Step 3: Cross multiply
    33.48x = 45.92 × 32.80
  4. Step 4: Simplify right side
    33.48x = 1,506.18
  5. Step 5: Solve for x
    x = 1,506.18/33.48
  6. Step 6: Final answer
    x = 44.99

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.