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Finding the Fourth Proportional to 50.19, 69.24 and 35.67

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Solution

The fourth proportional to 50.19, 69.24 and 35.67 is: 49.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.19 : 69.24 = 35.67 : x
  2. Step 2: Convert to fraction form
    50.19/69.24 = 35.67/x
  3. Step 3: Cross multiply
    50.19x = 69.24 × 35.67
  4. Step 4: Simplify right side
    50.19x = 2,469.79
  5. Step 5: Solve for x
    x = 2,469.79/50.19
  6. Step 6: Final answer
    x = 49.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.