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Finding the Fourth Proportional to 18,181.22, 25,084.05 and 14,818.25

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Solution

The fourth proportional to 18,181.22, 25,084.05 and 14,818.25 is: 20,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.22 : 25,084.05 = 14,818.25 : x
  2. Step 2: Convert to fraction form
    18,181.22/25,084.05 = 14,818.25/x
  3. Step 3: Cross multiply
    18,181.22x = 25,084.05 × 14,818.25
  4. Step 4: Simplify right side
    18,181.22x = 371,701,589.96
  5. Step 5: Solve for x
    x = 371,701,589.96/18,181.22
  6. Step 6: Final answer
    x = 20,444.27

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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.