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Finding the Fourth Proportional to 54,608.96, 81,908.94 and 15,167

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Solution

The fourth proportional to 54,608.96, 81,908.94 and 15,167 is: 22,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,608.96 : 81,908.94 = 15,167 : x
  2. Step 2: Convert to fraction form
    54,608.96/81,908.94 = 15,167/x
  3. Step 3: Cross multiply
    54,608.96x = 81,908.94 × 15,167
  4. Step 4: Simplify right side
    54,608.96x = 1,242,312,892.98
  5. Step 5: Solve for x
    x = 1,242,312,892.98/54,608.96
  6. Step 6: Final answer
    x = 22,749.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.