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Finding the Fourth Proportional to 6,983.50, 9,637.24 and 3,839.62

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Solution

The fourth proportional to 6,983.50, 9,637.24 and 3,839.62 is: 5,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.50 : 9,637.24 = 3,839.62 : x
  2. Step 2: Convert to fraction form
    6,983.50/9,637.24 = 3,839.62/x
  3. Step 3: Cross multiply
    6,983.50x = 9,637.24 × 3,839.62
  4. Step 4: Simplify right side
    6,983.50x = 37,003,339.45
  5. Step 5: Solve for x
    x = 37,003,339.45/6,983.50
  6. Step 6: Final answer
    x = 5,298.68

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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.