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Finding the Fourth Proportional to 11,657.01, 17,481.87 and 5,076.57

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Solution

The fourth proportional to 11,657.01, 17,481.87 and 5,076.57 is: 7,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.01 : 17,481.87 = 5,076.57 : x
  2. Step 2: Convert to fraction form
    11,657.01/17,481.87 = 5,076.57/x
  3. Step 3: Cross multiply
    11,657.01x = 17,481.87 × 5,076.57
  4. Step 4: Simplify right side
    11,657.01x = 88,747,911.40
  5. Step 5: Solve for x
    x = 88,747,911.40/11,657.01
  6. Step 6: Final answer
    x = 7,613.27

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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.