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Finding the Fourth Proportional to 6,340.23, 8,745.33 and 3,820.62

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Solution

The fourth proportional to 6,340.23, 8,745.33 and 3,820.62 is: 5,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.23 : 8,745.33 = 3,820.62 : x
  2. Step 2: Convert to fraction form
    6,340.23/8,745.33 = 3,820.62/x
  3. Step 3: Cross multiply
    6,340.23x = 8,745.33 × 3,820.62
  4. Step 4: Simplify right side
    6,340.23x = 33,412,582.70
  5. Step 5: Solve for x
    x = 33,412,582.70/6,340.23
  6. Step 6: Final answer
    x = 5,269.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.