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Finding the Fourth Proportional to 18,803.08, 25,948.23 and 11,249.72

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Solution

The fourth proportional to 18,803.08, 25,948.23 and 11,249.72 is: 15,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.08 : 25,948.23 = 11,249.72 : x
  2. Step 2: Convert to fraction form
    18,803.08/25,948.23 = 11,249.72/x
  3. Step 3: Cross multiply
    18,803.08x = 25,948.23 × 11,249.72
  4. Step 4: Simplify right side
    18,803.08x = 291,910,192.25
  5. Step 5: Solve for x
    x = 291,910,192.25/18,803.08
  6. Step 6: Final answer
    x = 15,524.60

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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.