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Finding the Fourth Proportional to 6,396.28, 8,826.28 and 3,743.89

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Solution

The fourth proportional to 6,396.28, 8,826.28 and 3,743.89 is: 5,166.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.28 : 8,826.28 = 3,743.89 : x
  2. Step 2: Convert to fraction form
    6,396.28/8,826.28 = 3,743.89/x
  3. Step 3: Cross multiply
    6,396.28x = 8,826.28 × 3,743.89
  4. Step 4: Simplify right side
    6,396.28x = 33,044,590.00
  5. Step 5: Solve for x
    x = 33,044,590.00/6,396.28
  6. Step 6: Final answer
    x = 5,166.22

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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.