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Finding the Fourth Proportional to 53,791.60, 80,676.60 and 25,711.60

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Solution

The fourth proportional to 53,791.60, 80,676.60 and 25,711.60 is: 38,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.60 : 80,676.60 = 25,711.60 : x
  2. Step 2: Convert to fraction form
    53,791.60/80,676.60 = 25,711.60/x
  3. Step 3: Cross multiply
    53,791.60x = 80,676.60 × 25,711.60
  4. Step 4: Simplify right side
    53,791.60x = 2,074,324,468.56
  5. Step 5: Solve for x
    x = 2,074,324,468.56/53,791.60
  6. Step 6: Final answer
    x = 38,562.24

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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.