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Finding the Fourth Proportional to 12,092.76, 16,688.94 and 7,377.48

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Solution

The fourth proportional to 12,092.76, 16,688.94 and 7,377.48 is: 10,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.76 : 16,688.94 = 7,377.48 : x
  2. Step 2: Convert to fraction form
    12,092.76/16,688.94 = 7,377.48/x
  3. Step 3: Cross multiply
    12,092.76x = 16,688.94 × 7,377.48
  4. Step 4: Simplify right side
    12,092.76x = 123,122,321.07
  5. Step 5: Solve for x
    x = 123,122,321.07/12,092.76
  6. Step 6: Final answer
    x = 10,181.49

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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.