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Finding the Fourth Proportional to 2,243.04, 3,370.04 and 2,118.71

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Solution

The fourth proportional to 2,243.04, 3,370.04 and 2,118.71 is: 3,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.04 : 3,370.04 = 2,118.71 : x
  2. Step 2: Convert to fraction form
    2,243.04/3,370.04 = 2,118.71/x
  3. Step 3: Cross multiply
    2,243.04x = 3,370.04 × 2,118.71
  4. Step 4: Simplify right side
    2,243.04x = 7,140,110.00
  5. Step 5: Solve for x
    x = 7,140,110.00/2,243.04
  6. Step 6: Final answer
    x = 3,183.23

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Why These Related Problems?

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