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Finding the Fourth Proportional to 3,469.53, 4,786.22 and 2,842.59

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Solution

The fourth proportional to 3,469.53, 4,786.22 and 2,842.59 is: 3,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.53 : 4,786.22 = 2,842.59 : x
  2. Step 2: Convert to fraction form
    3,469.53/4,786.22 = 2,842.59/x
  3. Step 3: Cross multiply
    3,469.53x = 4,786.22 × 2,842.59
  4. Step 4: Simplify right side
    3,469.53x = 13,605,286.16
  5. Step 5: Solve for x
    x = 13,605,286.16/3,469.53
  6. Step 6: Final answer
    x = 3,921.36

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1.5x scale

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.