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Finding the Fourth Proportional to 12,081.69, 16,669.32 and 7,832.93

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Solution

The fourth proportional to 12,081.69, 16,669.32 and 7,832.93 is: 10,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.69 : 16,669.32 = 7,832.93 : x
  2. Step 2: Convert to fraction form
    12,081.69/16,669.32 = 7,832.93/x
  3. Step 3: Cross multiply
    12,081.69x = 16,669.32 × 7,832.93
  4. Step 4: Simplify right side
    12,081.69x = 130,569,616.71
  5. Step 5: Solve for x
    x = 130,569,616.71/12,081.69
  6. Step 6: Final answer
    x = 10,807.23

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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.