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Finding the Fourth Proportional to 73.52, 110.24 and 22.14

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Solution

The fourth proportional to 73.52, 110.24 and 22.14 is: 33.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.52 : 110.24 = 22.14 : x
  2. Step 2: Convert to fraction form
    73.52/110.24 = 22.14/x
  3. Step 3: Cross multiply
    73.52x = 110.24 × 22.14
  4. Step 4: Simplify right side
    73.52x = 2,440.71
  5. Step 5: Solve for x
    x = 2,440.71/73.52
  6. Step 6: Final answer
    x = 33.20

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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.