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Finding the Fourth Proportional to 6,404.46, 8,819.91 and 5,879.58

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Solution

The fourth proportional to 6,404.46, 8,819.91 and 5,879.58 is: 8,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.46 : 8,819.91 = 5,879.58 : x
  2. Step 2: Convert to fraction form
    6,404.46/8,819.91 = 5,879.58/x
  3. Step 3: Cross multiply
    6,404.46x = 8,819.91 × 5,879.58
  4. Step 4: Simplify right side
    6,404.46x = 51,857,366.44
  5. Step 5: Solve for x
    x = 51,857,366.44/6,404.46
  6. Step 6: Final answer
    x = 8,097.07

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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.