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Finding the Fourth Proportional to 7,003.25, 9,664.52 and 3,859.37

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Solution

The fourth proportional to 7,003.25, 9,664.52 and 3,859.37 is: 5,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.25 : 9,664.52 = 3,859.37 : x
  2. Step 2: Convert to fraction form
    7,003.25/9,664.52 = 3,859.37/x
  3. Step 3: Cross multiply
    7,003.25x = 9,664.52 × 3,859.37
  4. Step 4: Simplify right side
    7,003.25x = 37,298,958.55
  5. Step 5: Solve for x
    x = 37,298,958.55/7,003.25
  6. Step 6: Final answer
    x = 5,325.95

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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.