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Finding the Fourth Proportional to 36.08, 49.60 and 32.96

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Solution

The fourth proportional to 36.08, 49.60 and 32.96 is: 45.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.08 : 49.60 = 32.96 : x
  2. Step 2: Convert to fraction form
    36.08/49.60 = 32.96/x
  3. Step 3: Cross multiply
    36.08x = 49.60 × 32.96
  4. Step 4: Simplify right side
    36.08x = 1,634.82
  5. Step 5: Solve for x
    x = 1,634.82/36.08
  6. Step 6: Final answer
    x = 45.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.