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Finding the Fourth Proportional to 52,489.56, 78,744.48 and 16,960.44

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Solution

The fourth proportional to 52,489.56, 78,744.48 and 16,960.44 is: 25,443.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489.56 : 78,744.48 = 16,960.44 : x
  2. Step 2: Convert to fraction form
    52,489.56/78,744.48 = 16,960.44/x
  3. Step 3: Cross multiply
    52,489.56x = 78,744.48 × 16,960.44
  4. Step 4: Simplify right side
    52,489.56x = 1,335,541,028.37
  5. Step 5: Solve for x
    x = 1,335,541,028.37/52,489.56
  6. Step 6: Final answer
    x = 25,443.94

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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.