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Finding the Fourth Proportional to 37.41, 51.61 and 22.65

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Solution

The fourth proportional to 37.41, 51.61 and 22.65 is: 31.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.41 : 51.61 = 22.65 : x
  2. Step 2: Convert to fraction form
    37.41/51.61 = 22.65/x
  3. Step 3: Cross multiply
    37.41x = 51.61 × 22.65
  4. Step 4: Simplify right side
    37.41x = 1,168.97
  5. Step 5: Solve for x
    x = 1,168.97/37.41
  6. Step 6: Final answer
    x = 31.25

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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.