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Finding the Fourth Proportional to 37.26, 51.44 and 28.08

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Solution

The fourth proportional to 37.26, 51.44 and 28.08 is: 38.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.26 : 51.44 = 28.08 : x
  2. Step 2: Convert to fraction form
    37.26/51.44 = 28.08/x
  3. Step 3: Cross multiply
    37.26x = 51.44 × 28.08
  4. Step 4: Simplify right side
    37.26x = 1,444.29
  5. Step 5: Solve for x
    x = 1,444.29/37.26
  6. Step 6: Final answer
    x = 38.76

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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.