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Finding the Fourth Proportional to 53,795.64, 80,693.82 and 18,735.96

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Solution

The fourth proportional to 53,795.64, 80,693.82 and 18,735.96 is: 28,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,795.64 : 80,693.82 = 18,735.96 : x
  2. Step 2: Convert to fraction form
    53,795.64/80,693.82 = 18,735.96/x
  3. Step 3: Cross multiply
    53,795.64x = 80,693.82 × 18,735.96
  4. Step 4: Simplify right side
    53,795.64x = 1,511,876,183.77
  5. Step 5: Solve for x
    x = 1,511,876,183.77/53,795.64
  6. Step 6: Final answer
    x = 28,104.07

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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.