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Finding the Fourth Proportional to 4,326.81, 6,489.21 and 1,694.37

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Solution

The fourth proportional to 4,326.81, 6,489.21 and 1,694.37 is: 2,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.81 : 6,489.21 = 1,694.37 : x
  2. Step 2: Convert to fraction form
    4,326.81/6,489.21 = 1,694.37/x
  3. Step 3: Cross multiply
    4,326.81x = 6,489.21 × 1,694.37
  4. Step 4: Simplify right side
    4,326.81x = 10,995,122.75
  5. Step 5: Solve for x
    x = 10,995,122.75/4,326.81
  6. Step 6: Final answer
    x = 2,541.16

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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.