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Finding the Fourth Proportional to 18,105.26, 24,986.30 and 10,150.02

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Solution

The fourth proportional to 18,105.26, 24,986.30 and 10,150.02 is: 14,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.26 : 24,986.30 = 10,150.02 : x
  2. Step 2: Convert to fraction form
    18,105.26/24,986.30 = 10,150.02/x
  3. Step 3: Cross multiply
    18,105.26x = 24,986.30 × 10,150.02
  4. Step 4: Simplify right side
    18,105.26x = 253,611,393.98
  5. Step 5: Solve for x
    x = 253,611,393.98/18,105.26
  6. Step 6: Final answer
    x = 14,007.61

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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.