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Finding the Fourth Proportional to 8,795.26, 13,192.80 and 2,221.30

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Solution

The fourth proportional to 8,795.26, 13,192.80 and 2,221.30 is: 3,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.26 : 13,192.80 = 2,221.30 : x
  2. Step 2: Convert to fraction form
    8,795.26/13,192.80 = 2,221.30/x
  3. Step 3: Cross multiply
    8,795.26x = 13,192.80 × 2,221.30
  4. Step 4: Simplify right side
    8,795.26x = 29,305,166.64
  5. Step 5: Solve for x
    x = 29,305,166.64/8,795.26
  6. Step 6: Final answer
    x = 3,331.93

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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.