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Finding the Fourth Proportional to 36.94, 50.68 and 35.63

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Solution

The fourth proportional to 36.94, 50.68 and 35.63 is: 48.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.94 : 50.68 = 35.63 : x
  2. Step 2: Convert to fraction form
    36.94/50.68 = 35.63/x
  3. Step 3: Cross multiply
    36.94x = 50.68 × 35.63
  4. Step 4: Simplify right side
    36.94x = 1,805.73
  5. Step 5: Solve for x
    x = 1,805.73/36.94
  6. Step 6: Final answer
    x = 48.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.