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Finding the Fourth Proportional to 50.54, 75.60 and 41.36

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Solution

The fourth proportional to 50.54, 75.60 and 41.36 is: 61.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.54 : 75.60 = 41.36 : x
  2. Step 2: Convert to fraction form
    50.54/75.60 = 41.36/x
  3. Step 3: Cross multiply
    50.54x = 75.60 × 41.36
  4. Step 4: Simplify right side
    50.54x = 3,126.44
  5. Step 5: Solve for x
    x = 3,126.44/50.54
  6. Step 6: Final answer
    x = 61.87

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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.