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Finding the Fourth Proportional to 4,951,679.92, 6,834,533.72 and 3,019,006.08

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Solution

The fourth proportional to 4,951,679.92, 6,834,533.72 and 3,019,006.08 is: 4,166,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951,679.92 : 6,834,533.72 = 3,019,006.08 : x
  2. Step 2: Convert to fraction form
    4,951,679.92/6,834,533.72 = 3,019,006.08/x
  3. Step 3: Cross multiply
    4,951,679.92x = 6,834,533.72 × 3,019,006.08
  4. Step 4: Simplify right side
    4,951,679.92x = 20,633,498,854,645.02
  5. Step 5: Solve for x
    x = 20,633,498,854,645.02/4,951,679.92
  6. Step 6: Final answer
    x = 4,166,969.43

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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.