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Finding the Fourth Proportional to 3,600.90, 4,969.13 and 2,203.65

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Solution

The fourth proportional to 3,600.90, 4,969.13 and 2,203.65 is: 3,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.90 : 4,969.13 = 2,203.65 : x
  2. Step 2: Convert to fraction form
    3,600.90/4,969.13 = 2,203.65/x
  3. Step 3: Cross multiply
    3,600.90x = 4,969.13 × 2,203.65
  4. Step 4: Simplify right side
    3,600.90x = 10,950,212.31
  5. Step 5: Solve for x
    x = 10,950,212.31/3,600.90
  6. Step 6: Final answer
    x = 3,040.97

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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.