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Finding the Fourth Proportional to 22.59, 33.84 and 22.10

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Solution

The fourth proportional to 22.59, 33.84 and 22.10 is: 33.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.59 : 33.84 = 22.10 : x
  2. Step 2: Convert to fraction form
    22.59/33.84 = 22.10/x
  3. Step 3: Cross multiply
    22.59x = 33.84 × 22.10
  4. Step 4: Simplify right side
    22.59x = 747.69
  5. Step 5: Solve for x
    x = 747.69/22.59
  6. Step 6: Final answer
    x = 33.10

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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.