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Finding the Fourth Proportional to 50.36, 75.50 and 25.98

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Solution

The fourth proportional to 50.36, 75.50 and 25.98 is: 38.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.36 : 75.50 = 25.98 : x
  2. Step 2: Convert to fraction form
    50.36/75.50 = 25.98/x
  3. Step 3: Cross multiply
    50.36x = 75.50 × 25.98
  4. Step 4: Simplify right side
    50.36x = 1,961.55
  5. Step 5: Solve for x
    x = 1,961.55/50.36
  6. Step 6: Final answer
    x = 38.95

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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.