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Finding the Fourth Proportional to 8,604.22, 11,881.89 and 5,584.54

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Solution

The fourth proportional to 8,604.22, 11,881.89 and 5,584.54 is: 7,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.22 : 11,881.89 = 5,584.54 : x
  2. Step 2: Convert to fraction form
    8,604.22/11,881.89 = 5,584.54/x
  3. Step 3: Cross multiply
    8,604.22x = 11,881.89 × 5,584.54
  4. Step 4: Simplify right side
    8,604.22x = 66,354,889.98
  5. Step 5: Solve for x
    x = 66,354,889.98/8,604.22
  6. Step 6: Final answer
    x = 7,711.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.