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Finding the Fourth Proportional to 73.71, 110.58 and 33.14

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Solution

The fourth proportional to 73.71, 110.58 and 33.14 is: 49.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.71 : 110.58 = 33.14 : x
  2. Step 2: Convert to fraction form
    73.71/110.58 = 33.14/x
  3. Step 3: Cross multiply
    73.71x = 110.58 × 33.14
  4. Step 4: Simplify right side
    73.71x = 3,664.62
  5. Step 5: Solve for x
    x = 3,664.62/73.71
  6. Step 6: Final answer
    x = 49.72

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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.