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Finding the Fourth Proportional to 6,798.99, 10,199.49 and 2,119.44

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Solution

The fourth proportional to 6,798.99, 10,199.49 and 2,119.44 is: 3,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.99 : 10,199.49 = 2,119.44 : x
  2. Step 2: Convert to fraction form
    6,798.99/10,199.49 = 2,119.44/x
  3. Step 3: Cross multiply
    6,798.99x = 10,199.49 × 2,119.44
  4. Step 4: Simplify right side
    6,798.99x = 21,617,207.09
  5. Step 5: Solve for x
    x = 21,617,207.09/6,798.99
  6. Step 6: Final answer
    x = 3,179.47

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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.