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Finding the Fourth Proportional to 8,882.93, 12,169.43 and 8,550.56

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Solution

The fourth proportional to 8,882.93, 12,169.43 and 8,550.56 is: 11,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.93 : 12,169.43 = 8,550.56 : x
  2. Step 2: Convert to fraction form
    8,882.93/12,169.43 = 8,550.56/x
  3. Step 3: Cross multiply
    8,882.93x = 12,169.43 × 8,550.56
  4. Step 4: Simplify right side
    8,882.93x = 104,055,441.38
  5. Step 5: Solve for x
    x = 104,055,441.38/8,882.93
  6. Step 6: Final answer
    x = 11,714.09

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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.