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Finding the Fourth Proportional to 10,589.94, 15,883.11 and 2,799.54

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Solution

The fourth proportional to 10,589.94, 15,883.11 and 2,799.54 is: 4,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589.94 : 15,883.11 = 2,799.54 : x
  2. Step 2: Convert to fraction form
    10,589.94/15,883.11 = 2,799.54/x
  3. Step 3: Cross multiply
    10,589.94x = 15,883.11 × 2,799.54
  4. Step 4: Simplify right side
    10,589.94x = 44,465,401.77
  5. Step 5: Solve for x
    x = 44,465,401.77/10,589.94
  6. Step 6: Final answer
    x = 4,198.83

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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.