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Finding the Fourth Proportional to 12,168.86, 16,792.59 and 6,863.36

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Solution

The fourth proportional to 12,168.86, 16,792.59 and 6,863.36 is: 9,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.86 : 16,792.59 = 6,863.36 : x
  2. Step 2: Convert to fraction form
    12,168.86/16,792.59 = 6,863.36/x
  3. Step 3: Cross multiply
    12,168.86x = 16,792.59 × 6,863.36
  4. Step 4: Simplify right side
    12,168.86x = 115,253,590.50
  5. Step 5: Solve for x
    x = 115,253,590.50/12,168.86
  6. Step 6: Final answer
    x = 9,471.19

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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.