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Finding the Fourth Proportional to 18,206.34, 25,124.10 and 10,249.32

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Solution

The fourth proportional to 18,206.34, 25,124.10 and 10,249.32 is: 14,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.34 : 25,124.10 = 10,249.32 : x
  2. Step 2: Convert to fraction form
    18,206.34/25,124.10 = 10,249.32/x
  3. Step 3: Cross multiply
    18,206.34x = 25,124.10 × 10,249.32
  4. Step 4: Simplify right side
    18,206.34x = 257,504,940.61
  5. Step 5: Solve for x
    x = 257,504,940.61/18,206.34
  6. Step 6: Final answer
    x = 14,143.70

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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.