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Finding the Fourth Proportional to 73.42, 110.12 and 32.82

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Solution

The fourth proportional to 73.42, 110.12 and 32.82 is: 49.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.42 : 110.12 = 32.82 : x
  2. Step 2: Convert to fraction form
    73.42/110.12 = 32.82/x
  3. Step 3: Cross multiply
    73.42x = 110.12 × 32.82
  4. Step 4: Simplify right side
    73.42x = 3,614.14
  5. Step 5: Solve for x
    x = 3,614.14/73.42
  6. Step 6: Final answer
    x = 49.23

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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.