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Finding the Fourth Proportional to 36.25, 54.34 and 32.00

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Solution

The fourth proportional to 36.25, 54.34 and 32.00 is: 47.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.25 : 54.34 = 32.00 : x
  2. Step 2: Convert to fraction form
    36.25/54.34 = 32.00/x
  3. Step 3: Cross multiply
    36.25x = 54.34 × 32.00
  4. Step 4: Simplify right side
    36.25x = 1,738.53
  5. Step 5: Solve for x
    x = 1,738.53/36.25
  6. Step 6: Final answer
    x = 47.96

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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.