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Finding the Fourth Proportional to 12,065.91, 16,651.89 and 6,761.22

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Solution

The fourth proportional to 12,065.91, 16,651.89 and 6,761.22 is: 9,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.91 : 16,651.89 = 6,761.22 : x
  2. Step 2: Convert to fraction form
    12,065.91/16,651.89 = 6,761.22/x
  3. Step 3: Cross multiply
    12,065.91x = 16,651.89 × 6,761.22
  4. Step 4: Simplify right side
    12,065.91x = 112,587,091.71
  5. Step 5: Solve for x
    x = 112,587,091.71/12,065.91
  6. Step 6: Final answer
    x = 9,331.01

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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.