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Finding the Fourth Proportional to 53,822.70, 80,697.60 and 27,505.80

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Solution

The fourth proportional to 53,822.70, 80,697.60 and 27,505.80 is: 41,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,822.70 : 80,697.60 = 27,505.80 : x
  2. Step 2: Convert to fraction form
    53,822.70/80,697.60 = 27,505.80/x
  3. Step 3: Cross multiply
    53,822.70x = 80,697.60 × 27,505.80
  4. Step 4: Simplify right side
    53,822.70x = 2,219,652,046.08
  5. Step 5: Solve for x
    x = 2,219,652,046.08/53,822.70
  6. Step 6: Final answer
    x = 41,240.07

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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.