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Finding the Fourth Proportional to 3,343.22, 4,614.86 and 1,945.97

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Solution

The fourth proportional to 3,343.22, 4,614.86 and 1,945.97 is: 2,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.22 : 4,614.86 = 1,945.97 : x
  2. Step 2: Convert to fraction form
    3,343.22/4,614.86 = 1,945.97/x
  3. Step 3: Cross multiply
    3,343.22x = 4,614.86 × 1,945.97
  4. Step 4: Simplify right side
    3,343.22x = 8,980,346.31
  5. Step 5: Solve for x
    x = 8,980,346.31/3,343.22
  6. Step 6: Final answer
    x = 2,686.14

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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.