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Finding the Fourth Proportional to 8,815.14, 13,223.04 and 2,241.48

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Solution

The fourth proportional to 8,815.14, 13,223.04 and 2,241.48 is: 3,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.14 : 13,223.04 = 2,241.48 : x
  2. Step 2: Convert to fraction form
    8,815.14/13,223.04 = 2,241.48/x
  3. Step 3: Cross multiply
    8,815.14x = 13,223.04 × 2,241.48
  4. Step 4: Simplify right side
    8,815.14x = 29,639,179.70
  5. Step 5: Solve for x
    x = 29,639,179.70/8,815.14
  6. Step 6: Final answer
    x = 3,362.30

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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.