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Finding the Fourth Proportional to 41.27, 56.96 and 36.68

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Solution

The fourth proportional to 41.27, 56.96 and 36.68 is: 50.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.27 : 56.96 = 36.68 : x
  2. Step 2: Convert to fraction form
    41.27/56.96 = 36.68/x
  3. Step 3: Cross multiply
    41.27x = 56.96 × 36.68
  4. Step 4: Simplify right side
    41.27x = 2,089.29
  5. Step 5: Solve for x
    x = 2,089.29/41.27
  6. Step 6: Final answer
    x = 50.62

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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.