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Finding the Fourth Proportional to 50.10, 69.21 and 44.28

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Solution

The fourth proportional to 50.10, 69.21 and 44.28 is: 61.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.10 : 69.21 = 44.28 : x
  2. Step 2: Convert to fraction form
    50.10/69.21 = 44.28/x
  3. Step 3: Cross multiply
    50.10x = 69.21 × 44.28
  4. Step 4: Simplify right side
    50.10x = 3,064.62
  5. Step 5: Solve for x
    x = 3,064.62/50.10
  6. Step 6: Final answer
    x = 61.17

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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.