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Finding the Fourth Proportional to 8,882.43, 12,168.75 and 8,550.06

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Solution

The fourth proportional to 8,882.43, 12,168.75 and 8,550.06 is: 11,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.43 : 12,168.75 = 8,550.06 : x
  2. Step 2: Convert to fraction form
    8,882.43/12,168.75 = 8,550.06/x
  3. Step 3: Cross multiply
    8,882.43x = 12,168.75 × 8,550.06
  4. Step 4: Simplify right side
    8,882.43x = 104,043,542.63
  5. Step 5: Solve for x
    x = 104,043,542.63/8,882.43
  6. Step 6: Final answer
    x = 11,713.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.