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Finding the Fourth Proportional to 18,334.69, 25,301.87 and 9,951.19

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Solution

The fourth proportional to 18,334.69, 25,301.87 and 9,951.19 is: 13,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.69 : 25,301.87 = 9,951.19 : x
  2. Step 2: Convert to fraction form
    18,334.69/25,301.87 = 9,951.19/x
  3. Step 3: Cross multiply
    18,334.69x = 25,301.87 × 9,951.19
  4. Step 4: Simplify right side
    18,334.69x = 251,783,715.73
  5. Step 5: Solve for x
    x = 251,783,715.73/18,334.69
  6. Step 6: Final answer
    x = 13,732.64

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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.