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Finding the Fourth Proportional to 18,394.67, 25,382.88 and 10,326.47

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Solution

The fourth proportional to 18,394.67, 25,382.88 and 10,326.47 is: 14,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.67 : 25,382.88 = 10,326.47 : x
  2. Step 2: Convert to fraction form
    18,394.67/25,382.88 = 10,326.47/x
  3. Step 3: Cross multiply
    18,394.67x = 25,382.88 × 10,326.47
  4. Step 4: Simplify right side
    18,394.67x = 262,115,548.83
  5. Step 5: Solve for x
    x = 262,115,548.83/18,394.67
  6. Step 6: Final answer
    x = 14,249.54

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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.