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Finding the Fourth Proportional to 11,177.73, 16,768.42 and 3,384.72

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Solution

The fourth proportional to 11,177.73, 16,768.42 and 3,384.72 is: 5,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.73 : 16,768.42 = 3,384.72 : x
  2. Step 2: Convert to fraction form
    11,177.73/16,768.42 = 3,384.72/x
  3. Step 3: Cross multiply
    11,177.73x = 16,768.42 × 3,384.72
  4. Step 4: Simplify right side
    11,177.73x = 56,756,406.54
  5. Step 5: Solve for x
    x = 56,756,406.54/11,177.73
  6. Step 6: Final answer
    x = 5,077.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.