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Finding the Fourth Proportional to 36.88, 50.94 and 25.96

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Solution

The fourth proportional to 36.88, 50.94 and 25.96 is: 35.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.88 : 50.94 = 25.96 : x
  2. Step 2: Convert to fraction form
    36.88/50.94 = 25.96/x
  3. Step 3: Cross multiply
    36.88x = 50.94 × 25.96
  4. Step 4: Simplify right side
    36.88x = 1,322.40
  5. Step 5: Solve for x
    x = 1,322.40/36.88
  6. Step 6: Final answer
    x = 35.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.