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Finding the Fourth Proportional to 1,940.71, 2,677.93 and 1,101.46

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Solution

The fourth proportional to 1,940.71, 2,677.93 and 1,101.46 is: 1,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.71 : 2,677.93 = 1,101.46 : x
  2. Step 2: Convert to fraction form
    1,940.71/2,677.93 = 1,101.46/x
  3. Step 3: Cross multiply
    1,940.71x = 2,677.93 × 1,101.46
  4. Step 4: Simplify right side
    1,940.71x = 2,949,632.78
  5. Step 5: Solve for x
    x = 2,949,632.78/1,940.71
  6. Step 6: Final answer
    x = 1,519.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.