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Finding the Fourth Proportional to 7,181.46, 10,767.76 and 2,793.80

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Solution

The fourth proportional to 7,181.46, 10,767.76 and 2,793.80 is: 4,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.46 : 10,767.76 = 2,793.80 : x
  2. Step 2: Convert to fraction form
    7,181.46/10,767.76 = 2,793.80/x
  3. Step 3: Cross multiply
    7,181.46x = 10,767.76 × 2,793.80
  4. Step 4: Simplify right side
    7,181.46x = 30,082,967.89
  5. Step 5: Solve for x
    x = 30,082,967.89/7,181.46
  6. Step 6: Final answer
    x = 4,188.98

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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.