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Finding the Fourth Proportional to 18,958.71, 26,161.58 and 10,461.17

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Solution

The fourth proportional to 18,958.71, 26,161.58 and 10,461.17 is: 14,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.71 : 26,161.58 = 10,461.17 : x
  2. Step 2: Convert to fraction form
    18,958.71/26,161.58 = 10,461.17/x
  3. Step 3: Cross multiply
    18,958.71x = 26,161.58 × 10,461.17
  4. Step 4: Simplify right side
    18,958.71x = 273,680,735.85
  5. Step 5: Solve for x
    x = 273,680,735.85/18,958.71
  6. Step 6: Final answer
    x = 14,435.62

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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.