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Finding the Fourth Proportional to 8,564.88, 12,847.60 and 2,324.88

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Solution

The fourth proportional to 8,564.88, 12,847.60 and 2,324.88 is: 3,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.88 : 12,847.60 = 2,324.88 : x
  2. Step 2: Convert to fraction form
    8,564.88/12,847.60 = 2,324.88/x
  3. Step 3: Cross multiply
    8,564.88x = 12,847.60 × 2,324.88
  4. Step 4: Simplify right side
    8,564.88x = 29,869,131.19
  5. Step 5: Solve for x
    x = 29,869,131.19/8,564.88
  6. Step 6: Final answer
    x = 3,487.39

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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.