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Finding the Fourth Proportional to 36.77, 50.69 and 26.94

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Solution

The fourth proportional to 36.77, 50.69 and 26.94 is: 37.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.77 : 50.69 = 26.94 : x
  2. Step 2: Convert to fraction form
    36.77/50.69 = 26.94/x
  3. Step 3: Cross multiply
    36.77x = 50.69 × 26.94
  4. Step 4: Simplify right side
    36.77x = 1,365.45
  5. Step 5: Solve for x
    x = 1,365.45/36.77
  6. Step 6: Final answer
    x = 37.14

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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.