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Finding the Fourth Proportional to 12,081.96, 16,677.09 and 7,366.55

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Solution

The fourth proportional to 12,081.96, 16,677.09 and 7,366.55 is: 10,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.96 : 16,677.09 = 7,366.55 : x
  2. Step 2: Convert to fraction form
    12,081.96/16,677.09 = 7,366.55/x
  3. Step 3: Cross multiply
    12,081.96x = 16,677.09 × 7,366.55
  4. Step 4: Simplify right side
    12,081.96x = 122,852,533.95
  5. Step 5: Solve for x
    x = 122,852,533.95/12,081.96
  6. Step 6: Final answer
    x = 10,168.26

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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.