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Finding the Fourth Proportional to 50.24, 69.32 and 33.04

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Solution

The fourth proportional to 50.24, 69.32 and 33.04 is: 45.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.24 : 69.32 = 33.04 : x
  2. Step 2: Convert to fraction form
    50.24/69.32 = 33.04/x
  3. Step 3: Cross multiply
    50.24x = 69.32 × 33.04
  4. Step 4: Simplify right side
    50.24x = 2,290.33
  5. Step 5: Solve for x
    x = 2,290.33/50.24
  6. Step 6: Final answer
    x = 45.59

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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.