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Finding the Fourth Proportional to 18,481.50, 25,504.65 and 10,098

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Solution

The fourth proportional to 18,481.50, 25,504.65 and 10,098 is: 13,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.50 : 25,504.65 = 10,098 : x
  2. Step 2: Convert to fraction form
    18,481.50/25,504.65 = 10,098/x
  3. Step 3: Cross multiply
    18,481.50x = 25,504.65 × 10,098
  4. Step 4: Simplify right side
    18,481.50x = 257,545,955.70
  5. Step 5: Solve for x
    x = 257,545,955.70/18,481.50
  6. Step 6: Final answer
    x = 13,935.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.