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Finding the Fourth Proportional to 37.11, 55.96 and 34.68

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Solution

The fourth proportional to 37.11, 55.96 and 34.68 is: 52.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.11 : 55.96 = 34.68 : x
  2. Step 2: Convert to fraction form
    37.11/55.96 = 34.68/x
  3. Step 3: Cross multiply
    37.11x = 55.96 × 34.68
  4. Step 4: Simplify right side
    37.11x = 1,940.69
  5. Step 5: Solve for x
    x = 1,940.69/37.11
  6. Step 6: Final answer
    x = 52.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.