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Finding the Fourth Proportional to 22,019,909.85, 33,029,864.78 and 22,019,909.85

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Solution

The fourth proportional to 22,019,909.85, 33,029,864.78 and 22,019,909.85 is: 33,029,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019,909.85 : 33,029,864.78 = 22,019,909.85 : x
  2. Step 2: Convert to fraction form
    22,019,909.85/33,029,864.78 = 22,019,909.85/x
  3. Step 3: Cross multiply
    22,019,909.85x = 33,029,864.78 × 22,019,909.85
  4. Step 4: Simplify right side
    22,019,909.85x = 727,314,644,703,190.50
  5. Step 5: Solve for x
    x = 727,314,644,703,190.50/22,019,909.85
  6. Step 6: Final answer
    x = 33,029,864.78

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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.