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Finding the Fourth Proportional to 5,999.21, 8,998.82 and 5,679.37

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Solution

The fourth proportional to 5,999.21, 8,998.82 and 5,679.37 is: 8,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.21 : 8,998.82 = 5,679.37 : x
  2. Step 2: Convert to fraction form
    5,999.21/8,998.82 = 5,679.37/x
  3. Step 3: Cross multiply
    5,999.21x = 8,998.82 × 5,679.37
  4. Step 4: Simplify right side
    5,999.21x = 51,107,597.85
  5. Step 5: Solve for x
    x = 51,107,597.85/5,999.21
  6. Step 6: Final answer
    x = 8,519.05

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Similar ratio
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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.