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Finding the Fourth Proportional to 6,633.55, 9,947.44 and 2,015.47

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Solution

The fourth proportional to 6,633.55, 9,947.44 and 2,015.47 is: 3,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633.55 : 9,947.44 = 2,015.47 : x
  2. Step 2: Convert to fraction form
    6,633.55/9,947.44 = 2,015.47/x
  3. Step 3: Cross multiply
    6,633.55x = 9,947.44 × 2,015.47
  4. Step 4: Simplify right side
    6,633.55x = 20,048,766.90
  5. Step 5: Solve for x
    x = 20,048,766.90/6,633.55
  6. Step 6: Final answer
    x = 3,022.33

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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.