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Finding the Fourth Proportional to 43.27, 59.61 and 36.36

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Solution

The fourth proportional to 43.27, 59.61 and 36.36 is: 50.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.27 : 59.61 = 36.36 : x
  2. Step 2: Convert to fraction form
    43.27/59.61 = 36.36/x
  3. Step 3: Cross multiply
    43.27x = 59.61 × 36.36
  4. Step 4: Simplify right side
    43.27x = 2,167.64
  5. Step 5: Solve for x
    x = 2,167.64/43.27
  6. Step 6: Final answer
    x = 50.09

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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.