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Finding the Fourth Proportional to 43.96, 65.94 and 22.59

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Solution

The fourth proportional to 43.96, 65.94 and 22.59 is: 33.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.96 : 65.94 = 22.59 : x
  2. Step 2: Convert to fraction form
    43.96/65.94 = 22.59/x
  3. Step 3: Cross multiply
    43.96x = 65.94 × 22.59
  4. Step 4: Simplify right side
    43.96x = 1,489.58
  5. Step 5: Solve for x
    x = 1,489.58/43.96
  6. Step 6: Final answer
    x = 33.89

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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.