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Finding the Fourth Proportional to 18,206.97, 25,125.25 and 10,249.02

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Solution

The fourth proportional to 18,206.97, 25,125.25 and 10,249.02 is: 14,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.97 : 25,125.25 = 10,249.02 : x
  2. Step 2: Convert to fraction form
    18,206.97/25,125.25 = 10,249.02/x
  3. Step 3: Cross multiply
    18,206.97x = 25,125.25 × 10,249.02
  4. Step 4: Simplify right side
    18,206.97x = 257,509,189.76
  5. Step 5: Solve for x
    x = 257,509,189.76/18,206.97
  6. Step 6: Final answer
    x = 14,143.44

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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.