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Finding the Fourth Proportional to 59.72, 82.43 and 36.41

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Solution

The fourth proportional to 59.72, 82.43 and 36.41 is: 50.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.72 : 82.43 = 36.41 : x
  2. Step 2: Convert to fraction form
    59.72/82.43 = 36.41/x
  3. Step 3: Cross multiply
    59.72x = 82.43 × 36.41
  4. Step 4: Simplify right side
    59.72x = 3,000.68
  5. Step 5: Solve for x
    x = 3,000.68/59.72
  6. Step 6: Final answer
    x = 50.25

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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.