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Finding the Fourth Proportional to 5,789.56, 8,685.30 and 2,711.56

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Solution

The fourth proportional to 5,789.56, 8,685.30 and 2,711.56 is: 4,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.56 : 8,685.30 = 2,711.56 : x
  2. Step 2: Convert to fraction form
    5,789.56/8,685.30 = 2,711.56/x
  3. Step 3: Cross multiply
    5,789.56x = 8,685.30 × 2,711.56
  4. Step 4: Simplify right side
    5,789.56x = 23,550,712.07
  5. Step 5: Solve for x
    x = 23,550,712.07/5,789.56
  6. Step 6: Final answer
    x = 4,067.79

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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.