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Finding the Fourth Proportional to 4,474.88, 6,709.45 and 1,553.39

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Solution

The fourth proportional to 4,474.88, 6,709.45 and 1,553.39 is: 2,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.88 : 6,709.45 = 1,553.39 : x
  2. Step 2: Convert to fraction form
    4,474.88/6,709.45 = 1,553.39/x
  3. Step 3: Cross multiply
    4,474.88x = 6,709.45 × 1,553.39
  4. Step 4: Simplify right side
    4,474.88x = 10,422,392.54
  5. Step 5: Solve for x
    x = 10,422,392.54/4,474.88
  6. Step 6: Final answer
    x = 2,329.09

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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.