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Finding the Fourth Proportional to 5,368.44, 8,043.72 and 3,800.68

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Solution

The fourth proportional to 5,368.44, 8,043.72 and 3,800.68 is: 5,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.44 : 8,043.72 = 3,800.68 : x
  2. Step 2: Convert to fraction form
    5,368.44/8,043.72 = 3,800.68/x
  3. Step 3: Cross multiply
    5,368.44x = 8,043.72 × 3,800.68
  4. Step 4: Simplify right side
    5,368.44x = 30,571,605.73
  5. Step 5: Solve for x
    x = 30,571,605.73/5,368.44
  6. Step 6: Final answer
    x = 5,694.69

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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.