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Finding the Fourth Proportional to 50.32, 75.41 and 33.23

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Solution

The fourth proportional to 50.32, 75.41 and 33.23 is: 49.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.32 : 75.41 = 33.23 : x
  2. Step 2: Convert to fraction form
    50.32/75.41 = 33.23/x
  3. Step 3: Cross multiply
    50.32x = 75.41 × 33.23
  4. Step 4: Simplify right side
    50.32x = 2,505.87
  5. Step 5: Solve for x
    x = 2,505.87/50.32
  6. Step 6: Final answer
    x = 49.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.