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Finding the Fourth Proportional to 6,811.99, 10,218.44 and 2,651.73

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Solution

The fourth proportional to 6,811.99, 10,218.44 and 2,651.73 is: 3,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.99 : 10,218.44 = 2,651.73 : x
  2. Step 2: Convert to fraction form
    6,811.99/10,218.44 = 2,651.73/x
  3. Step 3: Cross multiply
    6,811.99x = 10,218.44 × 2,651.73
  4. Step 4: Simplify right side
    6,811.99x = 27,096,543.90
  5. Step 5: Solve for x
    x = 27,096,543.90/6,811.99
  6. Step 6: Final answer
    x = 3,977.77

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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.