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Finding the Fourth Proportional to 3,471.94, 4,791.28 and 1,900.04

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Solution

The fourth proportional to 3,471.94, 4,791.28 and 1,900.04 is: 2,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.94 : 4,791.28 = 1,900.04 : x
  2. Step 2: Convert to fraction form
    3,471.94/4,791.28 = 1,900.04/x
  3. Step 3: Cross multiply
    3,471.94x = 4,791.28 × 1,900.04
  4. Step 4: Simplify right side
    3,471.94x = 9,103,594.94
  5. Step 5: Solve for x
    x = 9,103,594.94/3,471.94
  6. Step 6: Final answer
    x = 2,622.05

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Why These Related Problems?

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