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Finding the Fourth Proportional to 54,052.48, 81,074.72 and 18,992.48

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Solution

The fourth proportional to 54,052.48, 81,074.72 and 18,992.48 is: 28,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,052.48 : 81,074.72 = 18,992.48 : x
  2. Step 2: Convert to fraction form
    54,052.48/81,074.72 = 18,992.48/x
  3. Step 3: Cross multiply
    54,052.48x = 81,074.72 × 18,992.48
  4. Step 4: Simplify right side
    54,052.48x = 1,539,809,998.11
  5. Step 5: Solve for x
    x = 1,539,809,998.11/54,052.48
  6. Step 6: Final answer
    x = 28,487.31

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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.