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Finding the Fourth Proportional to 32.89, 49.25 and 25.25

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Solution

The fourth proportional to 32.89, 49.25 and 25.25 is: 37.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.89 : 49.25 = 25.25 : x
  2. Step 2: Convert to fraction form
    32.89/49.25 = 25.25/x
  3. Step 3: Cross multiply
    32.89x = 49.25 × 25.25
  4. Step 4: Simplify right side
    32.89x = 1,243.56
  5. Step 5: Solve for x
    x = 1,243.56/32.89
  6. Step 6: Final answer
    x = 37.81

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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.