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Finding the Fourth Proportional to 15,823.73, 21,836.89 and 8,750.27

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Solution

The fourth proportional to 15,823.73, 21,836.89 and 8,750.27 is: 12,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.73 : 21,836.89 = 8,750.27 : x
  2. Step 2: Convert to fraction form
    15,823.73/21,836.89 = 8,750.27/x
  3. Step 3: Cross multiply
    15,823.73x = 21,836.89 × 8,750.27
  4. Step 4: Simplify right side
    15,823.73x = 191,078,732.66
  5. Step 5: Solve for x
    x = 191,078,732.66/15,823.73
  6. Step 6: Final answer
    x = 12,075.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.