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Finding the Fourth Proportional to 2,469.12, 3,399.12 and 2,326.56

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Solution

The fourth proportional to 2,469.12, 3,399.12 and 2,326.56 is: 3,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.12 : 3,399.12 = 2,326.56 : x
  2. Step 2: Convert to fraction form
    2,469.12/3,399.12 = 2,326.56/x
  3. Step 3: Cross multiply
    2,469.12x = 3,399.12 × 2,326.56
  4. Step 4: Simplify right side
    2,469.12x = 7,908,256.63
  5. Step 5: Solve for x
    x = 7,908,256.63/2,469.12
  6. Step 6: Final answer
    x = 3,202.86

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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.