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Finding the Fourth Proportional to 6,772.87, 9,325.79 and 5,928.85

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Solution

The fourth proportional to 6,772.87, 9,325.79 and 5,928.85 is: 8,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.87 : 9,325.79 = 5,928.85 : x
  2. Step 2: Convert to fraction form
    6,772.87/9,325.79 = 5,928.85/x
  3. Step 3: Cross multiply
    6,772.87x = 9,325.79 × 5,928.85
  4. Step 4: Simplify right side
    6,772.87x = 55,291,179.32
  5. Step 5: Solve for x
    x = 55,291,179.32/6,772.87
  6. Step 6: Final answer
    x = 8,163.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.