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Finding the Fourth Proportional to 11,674.96, 17,512.41 and 2,909.89

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Solution

The fourth proportional to 11,674.96, 17,512.41 and 2,909.89 is: 4,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.96 : 17,512.41 = 2,909.89 : x
  2. Step 2: Convert to fraction form
    11,674.96/17,512.41 = 2,909.89/x
  3. Step 3: Cross multiply
    11,674.96x = 17,512.41 × 2,909.89
  4. Step 4: Simplify right side
    11,674.96x = 50,959,186.73
  5. Step 5: Solve for x
    x = 50,959,186.73/11,674.96
  6. Step 6: Final answer
    x = 4,364.83

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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.