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Finding the Fourth Proportional to 2,850.66, 4,276.13 and 2,694.80

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Solution

The fourth proportional to 2,850.66, 4,276.13 and 2,694.80 is: 4,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.66 : 4,276.13 = 2,694.80 : x
  2. Step 2: Convert to fraction form
    2,850.66/4,276.13 = 2,694.80/x
  3. Step 3: Cross multiply
    2,850.66x = 4,276.13 × 2,694.80
  4. Step 4: Simplify right side
    2,850.66x = 11,523,312.34
  5. Step 5: Solve for x
    x = 11,523,312.34/2,850.66
  6. Step 6: Final answer
    x = 4,042.33

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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.