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Finding the Fourth Proportional to 8,694.03, 13,042.05 and 3,149.98

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Solution

The fourth proportional to 8,694.03, 13,042.05 and 3,149.98 is: 4,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.03 : 13,042.05 = 3,149.98 : x
  2. Step 2: Convert to fraction form
    8,694.03/13,042.05 = 3,149.98/x
  3. Step 3: Cross multiply
    8,694.03x = 13,042.05 × 3,149.98
  4. Step 4: Simplify right side
    8,694.03x = 41,082,196.66
  5. Step 5: Solve for x
    x = 41,082,196.66/8,694.03
  6. Step 6: Final answer
    x = 4,725.34

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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.