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Finding the Fourth Proportional to 7,273.08, 10,910.52 and 2,079

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Solution

The fourth proportional to 7,273.08, 10,910.52 and 2,079 is: 3,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.08 : 10,910.52 = 2,079 : x
  2. Step 2: Convert to fraction form
    7,273.08/10,910.52 = 2,079/x
  3. Step 3: Cross multiply
    7,273.08x = 10,910.52 × 2,079
  4. Step 4: Simplify right side
    7,273.08x = 22,682,971.08
  5. Step 5: Solve for x
    x = 22,682,971.08/7,273.08
  6. Step 6: Final answer
    x = 3,118.76

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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.