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Finding the Fourth Proportional to 1,940.08, 2,906.16 and 949.95

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Solution

The fourth proportional to 1,940.08, 2,906.16 and 949.95 is: 1,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.08 : 2,906.16 = 949.95 : x
  2. Step 2: Convert to fraction form
    1,940.08/2,906.16 = 949.95/x
  3. Step 3: Cross multiply
    1,940.08x = 2,906.16 × 949.95
  4. Step 4: Simplify right side
    1,940.08x = 2,760,706.69
  5. Step 5: Solve for x
    x = 2,760,706.69/1,940.08
  6. Step 6: Final answer
    x = 1,422.99

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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.