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Finding the Fourth Proportional to 16,679,694.50, 23,017,822.89 and 9,436,350.50

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Solution

The fourth proportional to 16,679,694.50, 23,017,822.89 and 9,436,350.50 is: 13,022,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679,694.50 : 23,017,822.89 = 9,436,350.50 : x
  2. Step 2: Convert to fraction form
    16,679,694.50/23,017,822.89 = 9,436,350.50/x
  3. Step 3: Cross multiply
    16,679,694.50x = 23,017,822.89 × 9,436,350.50
  4. Step 4: Simplify right side
    16,679,694.50x = 217,204,244,536,962.94
  5. Step 5: Solve for x
    x = 217,204,244,536,962.94/16,679,694.50
  6. Step 6: Final answer
    x = 13,022,075.71

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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.