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Finding the Fourth Proportional to 11,668.41, 17,449.41 and 8,708.94

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Solution

The fourth proportional to 11,668.41, 17,449.41 and 8,708.94 is: 13,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.41 : 17,449.41 = 8,708.94 : x
  2. Step 2: Convert to fraction form
    11,668.41/17,449.41 = 8,708.94/x
  3. Step 3: Cross multiply
    11,668.41x = 17,449.41 × 8,708.94
  4. Step 4: Simplify right side
    11,668.41x = 151,965,864.73
  5. Step 5: Solve for x
    x = 151,965,864.73/11,668.41
  6. Step 6: Final answer
    x = 13,023.70

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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.