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Finding the Fourth Proportional to 7,906,712.22, 11,861,028.04 and 2,226,936.52

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Solution

The fourth proportional to 7,906,712.22, 11,861,028.04 and 2,226,936.52 is: 3,340,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906,712.22 : 11,861,028.04 = 2,226,936.52 : x
  2. Step 2: Convert to fraction form
    7,906,712.22/11,861,028.04 = 2,226,936.52/x
  3. Step 3: Cross multiply
    7,906,712.22x = 11,861,028.04 × 2,226,936.52
  4. Step 4: Simplify right side
    7,906,712.22x = 26,413,756,507,020.02
  5. Step 5: Solve for x
    x = 26,413,756,507,020.02/7,906,712.22
  6. Step 6: Final answer
    x = 3,340,675.08

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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.