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Finding the Fourth Proportional to 53,805.60, 80,657.20 and 41,952.80

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Solution

The fourth proportional to 53,805.60, 80,657.20 and 41,952.80 is: 62,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,805.60 : 80,657.20 = 41,952.80 : x
  2. Step 2: Convert to fraction form
    53,805.60/80,657.20 = 41,952.80/x
  3. Step 3: Cross multiply
    53,805.60x = 80,657.20 × 41,952.80
  4. Step 4: Simplify right side
    53,805.60x = 3,383,795,380.16
  5. Step 5: Solve for x
    x = 3,383,795,380.16/53,805.60
  6. Step 6: Final answer
    x = 62,889.28

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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.