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Finding the Fourth Proportional to 53,855.56, 80,797.02 and 18,795.88

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Solution

The fourth proportional to 53,855.56, 80,797.02 and 18,795.88 is: 28,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.56 : 80,797.02 = 18,795.88 : x
  2. Step 2: Convert to fraction form
    53,855.56/80,797.02 = 18,795.88/x
  3. Step 3: Cross multiply
    53,855.56x = 80,797.02 × 18,795.88
  4. Step 4: Simplify right side
    53,855.56x = 1,518,651,092.28
  5. Step 5: Solve for x
    x = 1,518,651,092.28/53,855.56
  6. Step 6: Final answer
    x = 28,198.59

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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.