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Finding the Fourth Proportional to 80.05, 110.44 and 50.93

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Solution

The fourth proportional to 80.05, 110.44 and 50.93 is: 70.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80.05 : 110.44 = 50.93 : x
  2. Step 2: Convert to fraction form
    80.05/110.44 = 50.93/x
  3. Step 3: Cross multiply
    80.05x = 110.44 × 50.93
  4. Step 4: Simplify right side
    80.05x = 5,624.45
  5. Step 5: Solve for x
    x = 5,624.45/80.05
  6. Step 6: Final answer
    x = 70.27

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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.