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Finding the Fourth Proportional to 6,694.40, 10,043.20 and 2,796.64

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Solution

The fourth proportional to 6,694.40, 10,043.20 and 2,796.64 is: 4,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694.40 : 10,043.20 = 2,796.64 : x
  2. Step 2: Convert to fraction form
    6,694.40/10,043.20 = 2,796.64/x
  3. Step 3: Cross multiply
    6,694.40x = 10,043.20 × 2,796.64
  4. Step 4: Simplify right side
    6,694.40x = 28,087,214.85
  5. Step 5: Solve for x
    x = 28,087,214.85/6,694.40
  6. Step 6: Final answer
    x = 4,195.63

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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.