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Finding the Fourth Proportional to 7,200.85, 10,796.84 and 2,518.33

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Solution

The fourth proportional to 7,200.85, 10,796.84 and 2,518.33 is: 3,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.85 : 10,796.84 = 2,518.33 : x
  2. Step 2: Convert to fraction form
    7,200.85/10,796.84 = 2,518.33/x
  3. Step 3: Cross multiply
    7,200.85x = 10,796.84 × 2,518.33
  4. Step 4: Simplify right side
    7,200.85x = 27,189,993.49
  5. Step 5: Solve for x
    x = 27,189,993.49/7,200.85
  6. Step 6: Final answer
    x = 3,775.94

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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.