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Finding the Fourth Proportional to 5,716.92, 8,571.06 and 1,819.08

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Solution

The fourth proportional to 5,716.92, 8,571.06 and 1,819.08 is: 2,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.92 : 8,571.06 = 1,819.08 : x
  2. Step 2: Convert to fraction form
    5,716.92/8,571.06 = 1,819.08/x
  3. Step 3: Cross multiply
    5,716.92x = 8,571.06 × 1,819.08
  4. Step 4: Simplify right side
    5,716.92x = 15,591,443.82
  5. Step 5: Solve for x
    x = 15,591,443.82/5,716.92
  6. Step 6: Final answer
    x = 2,727.25

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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.