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Finding the Fourth Proportional to 18,282.47, 25,231.32 and 10,326.15

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Solution

The fourth proportional to 18,282.47, 25,231.32 and 10,326.15 is: 14,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.47 : 25,231.32 = 10,326.15 : x
  2. Step 2: Convert to fraction form
    18,282.47/25,231.32 = 10,326.15/x
  3. Step 3: Cross multiply
    18,282.47x = 25,231.32 × 10,326.15
  4. Step 4: Simplify right side
    18,282.47x = 260,542,395.02
  5. Step 5: Solve for x
    x = 260,542,395.02/18,282.47
  6. Step 6: Final answer
    x = 14,250.94

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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.