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Finding the Fourth Proportional to 7,082.76, 10,620.84 and 2,697.48

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Solution

The fourth proportional to 7,082.76, 10,620.84 and 2,697.48 is: 4,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.76 : 10,620.84 = 2,697.48 : x
  2. Step 2: Convert to fraction form
    7,082.76/10,620.84 = 2,697.48/x
  3. Step 3: Cross multiply
    7,082.76x = 10,620.84 × 2,697.48
  4. Step 4: Simplify right side
    7,082.76x = 28,649,503.48
  5. Step 5: Solve for x
    x = 28,649,503.48/7,082.76
  6. Step 6: Final answer
    x = 4,044.96

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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.