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Finding the Fourth Proportional to 18,203.88, 25,121.22 and 10,246.14

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Solution

The fourth proportional to 18,203.88, 25,121.22 and 10,246.14 is: 14,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.88 : 25,121.22 = 10,246.14 : x
  2. Step 2: Convert to fraction form
    18,203.88/25,121.22 = 10,246.14/x
  3. Step 3: Cross multiply
    18,203.88x = 25,121.22 × 10,246.14
  4. Step 4: Simplify right side
    18,203.88x = 257,395,537.09
  5. Step 5: Solve for x
    x = 257,395,537.09/18,203.88
  6. Step 6: Final answer
    x = 14,139.60

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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.