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Finding the Fourth Proportional to 6,834.70, 9,441.39 and 6,479.92

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Solution

The fourth proportional to 6,834.70, 9,441.39 and 6,479.92 is: 8,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.70 : 9,441.39 = 6,479.92 : x
  2. Step 2: Convert to fraction form
    6,834.70/9,441.39 = 6,479.92/x
  3. Step 3: Cross multiply
    6,834.70x = 9,441.39 × 6,479.92
  4. Step 4: Simplify right side
    6,834.70x = 61,179,451.89
  5. Step 5: Solve for x
    x = 61,179,451.89/6,834.70
  6. Step 6: Final answer
    x = 8,951.30

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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.