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Finding the Fourth Proportional to 11,950.78, 16,487.67 and 7,233.34

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Solution

The fourth proportional to 11,950.78, 16,487.67 and 7,233.34 is: 9,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.78 : 16,487.67 = 7,233.34 : x
  2. Step 2: Convert to fraction form
    11,950.78/16,487.67 = 7,233.34/x
  3. Step 3: Cross multiply
    11,950.78x = 16,487.67 × 7,233.34
  4. Step 4: Simplify right side
    11,950.78x = 119,260,922.92
  5. Step 5: Solve for x
    x = 119,260,922.92/11,950.78
  6. Step 6: Final answer
    x = 9,979.34

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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.