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Finding the Fourth Proportional to 37.96, 56.92 and 25.94

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Solution

The fourth proportional to 37.96, 56.92 and 25.94 is: 38.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.96 : 56.92 = 25.94 : x
  2. Step 2: Convert to fraction form
    37.96/56.92 = 25.94/x
  3. Step 3: Cross multiply
    37.96x = 56.92 × 25.94
  4. Step 4: Simplify right side
    37.96x = 1,476.50
  5. Step 5: Solve for x
    x = 1,476.50/37.96
  6. Step 6: Final answer
    x = 38.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.