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Finding the Fourth Proportional to 21,732.83, 32,599.25 and 11,866.73

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Solution

The fourth proportional to 21,732.83, 32,599.25 and 11,866.73 is: 17,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.83 : 32,599.25 = 11,866.73 : x
  2. Step 2: Convert to fraction form
    21,732.83/32,599.25 = 11,866.73/x
  3. Step 3: Cross multiply
    21,732.83x = 32,599.25 × 11,866.73
  4. Step 4: Simplify right side
    21,732.83x = 386,846,369.18
  5. Step 5: Solve for x
    x = 386,846,369.18/21,732.83
  6. Step 6: Final answer
    x = 17,800.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.