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Finding the Fourth Proportional to 12,083.72, 16,662.04 and 7,601.99

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Solution

The fourth proportional to 12,083.72, 16,662.04 and 7,601.99 is: 10,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.72 : 16,662.04 = 7,601.99 : x
  2. Step 2: Convert to fraction form
    12,083.72/16,662.04 = 7,601.99/x
  3. Step 3: Cross multiply
    12,083.72x = 16,662.04 × 7,601.99
  4. Step 4: Simplify right side
    12,083.72x = 126,664,559.14
  5. Step 5: Solve for x
    x = 126,664,559.14/12,083.72
  6. Step 6: Final answer
    x = 10,482.25

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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.