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Finding the Fourth Proportional to 73.44, 110.04 and 32.79

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Solution

The fourth proportional to 73.44, 110.04 and 32.79 is: 49.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.44 : 110.04 = 32.79 : x
  2. Step 2: Convert to fraction form
    73.44/110.04 = 32.79/x
  3. Step 3: Cross multiply
    73.44x = 110.04 × 32.79
  4. Step 4: Simplify right side
    73.44x = 3,608.21
  5. Step 5: Solve for x
    x = 3,608.21/73.44
  6. Step 6: Final answer
    x = 49.13

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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.