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Finding the Fourth Proportional to 7,251.82, 10,879.56 and 2,057.74

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Solution

The fourth proportional to 7,251.82, 10,879.56 and 2,057.74 is: 3,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.82 : 10,879.56 = 2,057.74 : x
  2. Step 2: Convert to fraction form
    7,251.82/10,879.56 = 2,057.74/x
  3. Step 3: Cross multiply
    7,251.82x = 10,879.56 × 2,057.74
  4. Step 4: Simplify right side
    7,251.82x = 22,387,305.79
  5. Step 5: Solve for x
    x = 22,387,305.79/7,251.82
  6. Step 6: Final answer
    x = 3,087.13

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1.5x scale

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.