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Finding the Fourth Proportional to 11,928.34, 16,460.97 and 6,892.54

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Solution

The fourth proportional to 11,928.34, 16,460.97 and 6,892.54 is: 9,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.34 : 16,460.97 = 6,892.54 : x
  2. Step 2: Convert to fraction form
    11,928.34/16,460.97 = 6,892.54/x
  3. Step 3: Cross multiply
    11,928.34x = 16,460.97 × 6,892.54
  4. Step 4: Simplify right side
    11,928.34x = 113,457,958.53
  5. Step 5: Solve for x
    x = 113,457,958.53/11,928.34
  6. Step 6: Final answer
    x = 9,511.63

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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.