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Finding the Fourth Proportional to 5,599.20, 8,398.07 and 2,311.85

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Solution

The fourth proportional to 5,599.20, 8,398.07 and 2,311.85 is: 3,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.20 : 8,398.07 = 2,311.85 : x
  2. Step 2: Convert to fraction form
    5,599.20/8,398.07 = 2,311.85/x
  3. Step 3: Cross multiply
    5,599.20x = 8,398.07 × 2,311.85
  4. Step 4: Simplify right side
    5,599.20x = 19,415,030.36
  5. Step 5: Solve for x
    x = 19,415,030.36/5,599.20
  6. Step 6: Final answer
    x = 3,467.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.