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Finding the Fourth Proportional to 3,471.96, 4,791.29 and 1,900.02

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Solution

The fourth proportional to 3,471.96, 4,791.29 and 1,900.02 is: 2,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.96 : 4,791.29 = 1,900.02 : x
  2. Step 2: Convert to fraction form
    3,471.96/4,791.29 = 1,900.02/x
  3. Step 3: Cross multiply
    3,471.96x = 4,791.29 × 1,900.02
  4. Step 4: Simplify right side
    3,471.96x = 9,103,537.33
  5. Step 5: Solve for x
    x = 9,103,537.33/3,471.96
  6. Step 6: Final answer
    x = 2,622.02

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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.