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Finding the Fourth Proportional to 3,670.34, 5,499.02 and 1,940.18

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Solution

The fourth proportional to 3,670.34, 5,499.02 and 1,940.18 is: 2,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.34 : 5,499.02 = 1,940.18 : x
  2. Step 2: Convert to fraction form
    3,670.34/5,499.02 = 1,940.18/x
  3. Step 3: Cross multiply
    3,670.34x = 5,499.02 × 1,940.18
  4. Step 4: Simplify right side
    3,670.34x = 10,669,051.43
  5. Step 5: Solve for x
    x = 10,669,051.43/3,670.34
  6. Step 6: Final answer
    x = 2,906.83

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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.