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Finding the Fourth Proportional to 4,797.72, 6,620.94 and 3,223.08

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Solution

The fourth proportional to 4,797.72, 6,620.94 and 3,223.08 is: 4,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,797.72 : 6,620.94 = 3,223.08 : x
  2. Step 2: Convert to fraction form
    4,797.72/6,620.94 = 3,223.08/x
  3. Step 3: Cross multiply
    4,797.72x = 6,620.94 × 3,223.08
  4. Step 4: Simplify right side
    4,797.72x = 21,339,819.30
  5. Step 5: Solve for x
    x = 21,339,819.30/4,797.72
  6. Step 6: Final answer
    x = 4,447.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.