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Finding the Fourth Proportional to 25.25, 37.94 and 22.11

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Solution

The fourth proportional to 25.25, 37.94 and 22.11 is: 33.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.25 : 37.94 = 22.11 : x
  2. Step 2: Convert to fraction form
    25.25/37.94 = 22.11/x
  3. Step 3: Cross multiply
    25.25x = 37.94 × 22.11
  4. Step 4: Simplify right side
    25.25x = 838.74
  5. Step 5: Solve for x
    x = 838.74/25.25
  6. Step 6: Final answer
    x = 33.22

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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.