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Finding the Fourth Proportional to 8,793.62, 13,195.29 and 5,284.70

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Solution

The fourth proportional to 8,793.62, 13,195.29 and 5,284.70 is: 7,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.62 : 13,195.29 = 5,284.70 : x
  2. Step 2: Convert to fraction form
    8,793.62/13,195.29 = 5,284.70/x
  3. Step 3: Cross multiply
    8,793.62x = 13,195.29 × 5,284.70
  4. Step 4: Simplify right side
    8,793.62x = 69,733,149.06
  5. Step 5: Solve for x
    x = 69,733,149.06/8,793.62
  6. Step 6: Final answer
    x = 7,929.97

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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.