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Finding the Fourth Proportional to 2,409.52, 3,326.04 and 1,622

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Solution

The fourth proportional to 2,409.52, 3,326.04 and 1,622 is: 2,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.52 : 3,326.04 = 1,622 : x
  2. Step 2: Convert to fraction form
    2,409.52/3,326.04 = 1,622/x
  3. Step 3: Cross multiply
    2,409.52x = 3,326.04 × 1,622
  4. Step 4: Simplify right side
    2,409.52x = 5,394,836.88
  5. Step 5: Solve for x
    x = 5,394,836.88/2,409.52
  6. Step 6: Final answer
    x = 2,238.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.