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Finding the Fourth Proportional to 2,599.91, 3,899.81 and 844.97

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Solution

The fourth proportional to 2,599.91, 3,899.81 and 844.97 is: 1,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.91 : 3,899.81 = 844.97 : x
  2. Step 2: Convert to fraction form
    2,599.91/3,899.81 = 844.97/x
  3. Step 3: Cross multiply
    2,599.91x = 3,899.81 × 844.97
  4. Step 4: Simplify right side
    2,599.91x = 3,295,198.73
  5. Step 5: Solve for x
    x = 3,295,198.73/2,599.91
  6. Step 6: Final answer
    x = 1,267.43

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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.