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Finding the Fourth Proportional to 3,476.22, 4,793.49 and 2,974.02

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Solution

The fourth proportional to 3,476.22, 4,793.49 and 2,974.02 is: 4,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.22 : 4,793.49 = 2,974.02 : x
  2. Step 2: Convert to fraction form
    3,476.22/4,793.49 = 2,974.02/x
  3. Step 3: Cross multiply
    3,476.22x = 4,793.49 × 2,974.02
  4. Step 4: Simplify right side
    3,476.22x = 14,255,935.13
  5. Step 5: Solve for x
    x = 14,255,935.13/3,476.22
  6. Step 6: Final answer
    x = 4,100.99

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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.