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Finding the Fourth Proportional to 5,992.56, 8,990.06 and 2,099.70

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Solution

The fourth proportional to 5,992.56, 8,990.06 and 2,099.70 is: 3,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992.56 : 8,990.06 = 2,099.70 : x
  2. Step 2: Convert to fraction form
    5,992.56/8,990.06 = 2,099.70/x
  3. Step 3: Cross multiply
    5,992.56x = 8,990.06 × 2,099.70
  4. Step 4: Simplify right side
    5,992.56x = 18,876,428.98
  5. Step 5: Solve for x
    x = 18,876,428.98/5,992.56
  6. Step 6: Final answer
    x = 3,149.98

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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.