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Finding the Fourth Proportional to 2,691,739.82, 3,713,662.92 and 1,725,402.92

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Solution

The fourth proportional to 2,691,739.82, 3,713,662.92 and 1,725,402.92 is: 2,380,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,739.82 : 3,713,662.92 = 1,725,402.92 : x
  2. Step 2: Convert to fraction form
    2,691,739.82/3,713,662.92 = 1,725,402.92/x
  3. Step 3: Cross multiply
    2,691,739.82x = 3,713,662.92 × 1,725,402.92
  4. Step 4: Simplify right side
    2,691,739.82x = 6,407,564,846,063.73
  5. Step 5: Solve for x
    x = 6,407,564,846,063.73/2,691,739.82
  6. Step 6: Final answer
    x = 2,380,454.75

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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.