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Finding the Fourth Proportional to 6,930.72, 10,401.98 and 2,773.67

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Solution

The fourth proportional to 6,930.72, 10,401.98 and 2,773.67 is: 4,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.72 : 10,401.98 = 2,773.67 : x
  2. Step 2: Convert to fraction form
    6,930.72/10,401.98 = 2,773.67/x
  3. Step 3: Cross multiply
    6,930.72x = 10,401.98 × 2,773.67
  4. Step 4: Simplify right side
    6,930.72x = 28,851,593.99
  5. Step 5: Solve for x
    x = 28,851,593.99/6,930.72
  6. Step 6: Final answer
    x = 4,162.86

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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.