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Finding the Fourth Proportional to 8,668.08, 11,963.12 and 4,892.09

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Solution

The fourth proportional to 8,668.08, 11,963.12 and 4,892.09 is: 6,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.08 : 11,963.12 = 4,892.09 : x
  2. Step 2: Convert to fraction form
    8,668.08/11,963.12 = 4,892.09/x
  3. Step 3: Cross multiply
    8,668.08x = 11,963.12 × 4,892.09
  4. Step 4: Simplify right side
    8,668.08x = 58,524,575.44
  5. Step 5: Solve for x
    x = 58,524,575.44/8,668.08
  6. Step 6: Final answer
    x = 6,751.73

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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.