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Finding the Fourth Proportional to 50.41, 75.68 and 26.38

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Solution

The fourth proportional to 50.41, 75.68 and 26.38 is: 39.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.41 : 75.68 = 26.38 : x
  2. Step 2: Convert to fraction form
    50.41/75.68 = 26.38/x
  3. Step 3: Cross multiply
    50.41x = 75.68 × 26.38
  4. Step 4: Simplify right side
    50.41x = 1,996.44
  5. Step 5: Solve for x
    x = 1,996.44/50.41
  6. Step 6: Final answer
    x = 39.60

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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.