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Finding the Fourth Proportional to 2,599.19, 3,899.24 and 844.43

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Solution

The fourth proportional to 2,599.19, 3,899.24 and 844.43 is: 1,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.19 : 3,899.24 = 844.43 : x
  2. Step 2: Convert to fraction form
    2,599.19/3,899.24 = 844.43/x
  3. Step 3: Cross multiply
    2,599.19x = 3,899.24 × 844.43
  4. Step 4: Simplify right side
    2,599.19x = 3,292,614.68
  5. Step 5: Solve for x
    x = 3,292,614.68/2,599.19
  6. Step 6: Final answer
    x = 1,266.79

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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.