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Finding the Fourth Proportional to 6,448.26, 8,899.86 and 3,797.94

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Solution

The fourth proportional to 6,448.26, 8,899.86 and 3,797.94 is: 5,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.26 : 8,899.86 = 3,797.94 : x
  2. Step 2: Convert to fraction form
    6,448.26/8,899.86 = 3,797.94/x
  3. Step 3: Cross multiply
    6,448.26x = 8,899.86 × 3,797.94
  4. Step 4: Simplify right side
    6,448.26x = 33,801,134.29
  5. Step 5: Solve for x
    x = 33,801,134.29/6,448.26
  6. Step 6: Final answer
    x = 5,241.90

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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.