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Finding the Fourth Proportional to 7,199.92, 10,797.76 and 2,519.05

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Solution

The fourth proportional to 7,199.92, 10,797.76 and 2,519.05 is: 3,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.92 : 10,797.76 = 2,519.05 : x
  2. Step 2: Convert to fraction form
    7,199.92/10,797.76 = 2,519.05/x
  3. Step 3: Cross multiply
    7,199.92x = 10,797.76 × 2,519.05
  4. Step 4: Simplify right side
    7,199.92x = 27,200,097.33
  5. Step 5: Solve for x
    x = 27,200,097.33/7,199.92
  6. Step 6: Final answer
    x = 3,777.83

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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.