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Finding the Fourth Proportional to 16,679,695.50, 23,017,824.27 and 9,436,351.50

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Solution

The fourth proportional to 16,679,695.50, 23,017,824.27 and 9,436,351.50 is: 13,022,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679,695.50 : 23,017,824.27 = 9,436,351.50 : x
  2. Step 2: Convert to fraction form
    16,679,695.50/23,017,824.27 = 9,436,351.50/x
  3. Step 3: Cross multiply
    16,679,695.50x = 23,017,824.27 × 9,436,351.50
  4. Step 4: Simplify right side
    16,679,695.50x = 217,204,280,576,950.91
  5. Step 5: Solve for x
    x = 217,204,280,576,950.91/16,679,695.50
  6. Step 6: Final answer
    x = 13,022,077.09

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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.