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Finding the Fourth Proportional to 10,744.66, 16,101.69 and 8,393.86

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Solution

The fourth proportional to 10,744.66, 16,101.69 and 8,393.86 is: 12,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,744.66 : 16,101.69 = 8,393.86 : x
  2. Step 2: Convert to fraction form
    10,744.66/16,101.69 = 8,393.86/x
  3. Step 3: Cross multiply
    10,744.66x = 16,101.69 × 8,393.86
  4. Step 4: Simplify right side
    10,744.66x = 135,155,331.62
  5. Step 5: Solve for x
    x = 135,155,331.62/10,744.66
  6. Step 6: Final answer
    x = 12,578.84

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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.