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Finding the Fourth Proportional to 33.45, 45.92 and 32.22

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Solution

The fourth proportional to 33.45, 45.92 and 32.22 is: 44.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.45 : 45.92 = 32.22 : x
  2. Step 2: Convert to fraction form
    33.45/45.92 = 32.22/x
  3. Step 3: Cross multiply
    33.45x = 45.92 × 32.22
  4. Step 4: Simplify right side
    33.45x = 1,479.38
  5. Step 5: Solve for x
    x = 1,479.38/33.45
  6. Step 6: Final answer
    x = 44.23

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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.