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Finding the Fourth Proportional to 18,125.37, 25,014.42 and 10,167.12

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Solution

The fourth proportional to 18,125.37, 25,014.42 and 10,167.12 is: 14,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.37 : 25,014.42 = 10,167.12 : x
  2. Step 2: Convert to fraction form
    18,125.37/25,014.42 = 10,167.12/x
  3. Step 3: Cross multiply
    18,125.37x = 25,014.42 × 10,167.12
  4. Step 4: Simplify right side
    18,125.37x = 254,324,609.87
  5. Step 5: Solve for x
    x = 254,324,609.87/18,125.37
  6. Step 6: Final answer
    x = 14,031.42

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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.