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Finding the Fourth Proportional to 2,949.66, 4,414.77 and 2,625.66

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Solution

The fourth proportional to 2,949.66, 4,414.77 and 2,625.66 is: 3,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.66 : 4,414.77 = 2,625.66 : x
  2. Step 2: Convert to fraction form
    2,949.66/4,414.77 = 2,625.66/x
  3. Step 3: Cross multiply
    2,949.66x = 4,414.77 × 2,625.66
  4. Step 4: Simplify right side
    2,949.66x = 11,591,685.00
  5. Step 5: Solve for x
    x = 11,591,685.00/2,949.66
  6. Step 6: Final answer
    x = 3,929.84

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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.