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Finding the Fourth Proportional to 33.56, 46.40 and 32.13

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Solution

The fourth proportional to 33.56, 46.40 and 32.13 is: 44.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.56 : 46.40 = 32.13 : x
  2. Step 2: Convert to fraction form
    33.56/46.40 = 32.13/x
  3. Step 3: Cross multiply
    33.56x = 46.40 × 32.13
  4. Step 4: Simplify right side
    33.56x = 1,490.91
  5. Step 5: Solve for x
    x = 1,490.91/33.56
  6. Step 6: Final answer
    x = 44.42

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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.