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Finding the Fourth Proportional to 36.81, 50.69 and 36.01

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Solution

The fourth proportional to 36.81, 50.69 and 36.01 is: 49.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.81 : 50.69 = 36.01 : x
  2. Step 2: Convert to fraction form
    36.81/50.69 = 36.01/x
  3. Step 3: Cross multiply
    36.81x = 50.69 × 36.01
  4. Step 4: Simplify right side
    36.81x = 1,825.20
  5. Step 5: Solve for x
    x = 1,825.20/36.81
  6. Step 6: Final answer
    x = 49.59

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