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Finding the Fourth Proportional to 12,084.85, 16,669.41 and 8,732.59

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Solution

The fourth proportional to 12,084.85, 16,669.41 and 8,732.59 is: 12,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.85 : 16,669.41 = 8,732.59 : x
  2. Step 2: Convert to fraction form
    12,084.85/16,669.41 = 8,732.59/x
  3. Step 3: Cross multiply
    12,084.85x = 16,669.41 × 8,732.59
  4. Step 4: Simplify right side
    12,084.85x = 145,567,123.07
  5. Step 5: Solve for x
    x = 145,567,123.07/12,084.85
  6. Step 6: Final answer
    x = 12,045.42

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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.