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Finding the Fourth Proportional to 18,202.52, 25,121.90 and 10,246.30

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Solution

The fourth proportional to 18,202.52, 25,121.90 and 10,246.30 is: 14,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.52 : 25,121.90 = 10,246.30 : x
  2. Step 2: Convert to fraction form
    18,202.52/25,121.90 = 10,246.30/x
  3. Step 3: Cross multiply
    18,202.52x = 25,121.90 × 10,246.30
  4. Step 4: Simplify right side
    18,202.52x = 257,406,523.97
  5. Step 5: Solve for x
    x = 257,406,523.97/18,202.52
  6. Step 6: Final answer
    x = 14,141.26

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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.