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Finding the Fourth Proportional to 53,855.44, 80,799.64 and 27,578.78

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Solution

The fourth proportional to 53,855.44, 80,799.64 and 27,578.78 is: 41,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.44 : 80,799.64 = 27,578.78 : x
  2. Step 2: Convert to fraction form
    53,855.44/80,799.64 = 27,578.78/x
  3. Step 3: Cross multiply
    53,855.44x = 80,799.64 × 27,578.78
  4. Step 4: Simplify right side
    53,855.44x = 2,228,355,495.64
  5. Step 5: Solve for x
    x = 2,228,355,495.64/53,855.44
  6. Step 6: Final answer
    x = 41,376.61

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1.5x scale

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.