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Finding the Fourth Proportional to 7,995.44, 11,993.99 and 3,069.20

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Solution

The fourth proportional to 7,995.44, 11,993.99 and 3,069.20 is: 4,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.44 : 11,993.99 = 3,069.20 : x
  2. Step 2: Convert to fraction form
    7,995.44/11,993.99 = 3,069.20/x
  3. Step 3: Cross multiply
    7,995.44x = 11,993.99 × 3,069.20
  4. Step 4: Simplify right side
    7,995.44x = 36,811,938.76
  5. Step 5: Solve for x
    x = 36,811,938.76/7,995.44
  6. Step 6: Final answer
    x = 4,604.12

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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.