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Finding the Fourth Proportional to 2,840.94, 4,264.11 and 1,747.44

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Solution

The fourth proportional to 2,840.94, 4,264.11 and 1,747.44 is: 2,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.94 : 4,264.11 = 1,747.44 : x
  2. Step 2: Convert to fraction form
    2,840.94/4,264.11 = 1,747.44/x
  3. Step 3: Cross multiply
    2,840.94x = 4,264.11 × 1,747.44
  4. Step 4: Simplify right side
    2,840.94x = 7,451,276.38
  5. Step 5: Solve for x
    x = 7,451,276.38/2,840.94
  6. Step 6: Final answer
    x = 2,622.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.