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Finding the Fourth Proportional to 8,859.43, 13,263.22 and 6,993.19

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Solution

The fourth proportional to 8,859.43, 13,263.22 and 6,993.19 is: 10,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.43 : 13,263.22 = 6,993.19 : x
  2. Step 2: Convert to fraction form
    8,859.43/13,263.22 = 6,993.19/x
  3. Step 3: Cross multiply
    8,859.43x = 13,263.22 × 6,993.19
  4. Step 4: Simplify right side
    8,859.43x = 92,752,217.47
  5. Step 5: Solve for x
    x = 92,752,217.47/8,859.43
  6. Step 6: Final answer
    x = 10,469.32

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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.