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Finding the Fourth Proportional to 10,916.91, 16,373.76 and 5,368.77

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Solution

The fourth proportional to 10,916.91, 16,373.76 and 5,368.77 is: 8,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.91 : 16,373.76 = 5,368.77 : x
  2. Step 2: Convert to fraction form
    10,916.91/16,373.76 = 5,368.77/x
  3. Step 3: Cross multiply
    10,916.91x = 16,373.76 × 5,368.77
  4. Step 4: Simplify right side
    10,916.91x = 87,906,951.48
  5. Step 5: Solve for x
    x = 87,906,951.48/10,916.91
  6. Step 6: Final answer
    x = 8,052.37

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