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Finding the Fourth Proportional to 37.94, 52.25 and 36.65

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Solution

The fourth proportional to 37.94, 52.25 and 36.65 is: 50.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.94 : 52.25 = 36.65 : x
  2. Step 2: Convert to fraction form
    37.94/52.25 = 36.65/x
  3. Step 3: Cross multiply
    37.94x = 52.25 × 36.65
  4. Step 4: Simplify right side
    37.94x = 1,914.91
  5. Step 5: Solve for x
    x = 1,914.91/37.94
  6. Step 6: Final answer
    x = 50.48

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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.