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Finding the Fourth Proportional to 52,979.56, 79,481.03 and 17,439.44

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Solution

The fourth proportional to 52,979.56, 79,481.03 and 17,439.44 is: 26,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.56 : 79,481.03 = 17,439.44 : x
  2. Step 2: Convert to fraction form
    52,979.56/79,481.03 = 17,439.44/x
  3. Step 3: Cross multiply
    52,979.56x = 79,481.03 × 17,439.44
  4. Step 4: Simplify right side
    52,979.56x = 1,386,104,676.20
  5. Step 5: Solve for x
    x = 1,386,104,676.20/52,979.56
  6. Step 6: Final answer
    x = 26,163.01

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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.