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Finding the Fourth Proportional to 34,914.78, 48,181.99 and 18,998.96

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Solution

The fourth proportional to 34,914.78, 48,181.99 and 18,998.96 is: 26,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,914.78 : 48,181.99 = 18,998.96 : x
  2. Step 2: Convert to fraction form
    34,914.78/48,181.99 = 18,998.96/x
  3. Step 3: Cross multiply
    34,914.78x = 48,181.99 × 18,998.96
  4. Step 4: Simplify right side
    34,914.78x = 915,407,459.82
  5. Step 5: Solve for x
    x = 915,407,459.82/34,914.78
  6. Step 6: Final answer
    x = 26,218.34

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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.