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Finding the Fourth Proportional to 11,713.08, 17,563.14 and 3,917.64

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Solution

The fourth proportional to 11,713.08, 17,563.14 and 3,917.64 is: 5,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.08 : 17,563.14 = 3,917.64 : x
  2. Step 2: Convert to fraction form
    11,713.08/17,563.14 = 3,917.64/x
  3. Step 3: Cross multiply
    11,713.08x = 17,563.14 × 3,917.64
  4. Step 4: Simplify right side
    11,713.08x = 68,806,059.79
  5. Step 5: Solve for x
    x = 68,806,059.79/11,713.08
  6. Step 6: Final answer
    x = 5,874.29

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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.