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Finding the Fourth Proportional to 8,873, 13,309.44 and 2,299.20

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Solution

The fourth proportional to 8,873, 13,309.44 and 2,299.20 is: 3,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873 : 13,309.44 = 2,299.20 : x
  2. Step 2: Convert to fraction form
    8,873/13,309.44 = 2,299.20/x
  3. Step 3: Cross multiply
    8,873x = 13,309.44 × 2,299.20
  4. Step 4: Simplify right side
    8,873x = 30,601,064.45
  5. Step 5: Solve for x
    x = 30,601,064.45/8,873
  6. Step 6: Final answer
    x = 3,448.78

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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.