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Finding the Fourth Proportional to 4,979.44, 7,469.16 and 1,694.89

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Solution

The fourth proportional to 4,979.44, 7,469.16 and 1,694.89 is: 2,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.44 : 7,469.16 = 1,694.89 : x
  2. Step 2: Convert to fraction form
    4,979.44/7,469.16 = 1,694.89/x
  3. Step 3: Cross multiply
    4,979.44x = 7,469.16 × 1,694.89
  4. Step 4: Simplify right side
    4,979.44x = 12,659,404.59
  5. Step 5: Solve for x
    x = 12,659,404.59/4,979.44
  6. Step 6: Final answer
    x = 2,542.34

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1.5x scale

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.