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Finding the Fourth Proportional to 5,118.41, 7,662.69 and 3,003.64

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Solution

The fourth proportional to 5,118.41, 7,662.69 and 3,003.64 is: 4,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.41 : 7,662.69 = 3,003.64 : x
  2. Step 2: Convert to fraction form
    5,118.41/7,662.69 = 3,003.64/x
  3. Step 3: Cross multiply
    5,118.41x = 7,662.69 × 3,003.64
  4. Step 4: Simplify right side
    5,118.41x = 23,015,943.03
  5. Step 5: Solve for x
    x = 23,015,943.03/5,118.41
  6. Step 6: Final answer
    x = 4,496.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.