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Finding the Fourth Proportional to 22,143,485.15, 33,215,227.73 and 22,143,485.15

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Solution

The fourth proportional to 22,143,485.15, 33,215,227.73 and 22,143,485.15 is: 33,215,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,485.15 : 33,215,227.73 = 22,143,485.15 : x
  2. Step 2: Convert to fraction form
    22,143,485.15/33,215,227.73 = 22,143,485.15/x
  3. Step 3: Cross multiply
    22,143,485.15x = 33,215,227.73 × 22,143,485.15
  4. Step 4: Simplify right side
    22,143,485.15x = 735,500,901,882,405.75
  5. Step 5: Solve for x
    x = 735,500,901,882,405.75/22,143,485.15
  6. Step 6: Final answer
    x = 33,215,227.73

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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.