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Finding the Fourth Proportional to 43,896.85, 65,855.04 and 17,245.42

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Solution

The fourth proportional to 43,896.85, 65,855.04 and 17,245.42 is: 25,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,896.85 : 65,855.04 = 17,245.42 : x
  2. Step 2: Convert to fraction form
    43,896.85/65,855.04 = 17,245.42/x
  3. Step 3: Cross multiply
    43,896.85x = 65,855.04 × 17,245.42
  4. Step 4: Simplify right side
    43,896.85x = 1,135,697,659.28
  5. Step 5: Solve for x
    x = 1,135,697,659.28/43,896.85
  6. Step 6: Final answer
    x = 25,871.96

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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.