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Finding the Fourth Proportional to 37.94, 52.41 and 37.55

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Solution

The fourth proportional to 37.94, 52.41 and 37.55 is: 51.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.94 : 52.41 = 37.55 : x
  2. Step 2: Convert to fraction form
    37.94/52.41 = 37.55/x
  3. Step 3: Cross multiply
    37.94x = 52.41 × 37.55
  4. Step 4: Simplify right side
    37.94x = 1,968.00
  5. Step 5: Solve for x
    x = 1,968.00/37.94
  6. Step 6: Final answer
    x = 51.87

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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.