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Finding the Fourth Proportional to 37.92, 56.84 and 25.06

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Solution

The fourth proportional to 37.92, 56.84 and 25.06 is: 37.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.92 : 56.84 = 25.06 : x
  2. Step 2: Convert to fraction form
    37.92/56.84 = 25.06/x
  3. Step 3: Cross multiply
    37.92x = 56.84 × 25.06
  4. Step 4: Simplify right side
    37.92x = 1,424.41
  5. Step 5: Solve for x
    x = 1,424.41/37.92
  6. Step 6: Final answer
    x = 37.56

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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.