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Finding the Fourth Proportional to 53,660.40, 80,519.40 and 22,498.80

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Solution

The fourth proportional to 53,660.40, 80,519.40 and 22,498.80 is: 33,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.40 : 80,519.40 = 22,498.80 : x
  2. Step 2: Convert to fraction form
    53,660.40/80,519.40 = 22,498.80/x
  3. Step 3: Cross multiply
    53,660.40x = 80,519.40 × 22,498.80
  4. Step 4: Simplify right side
    53,660.40x = 1,811,589,876.72
  5. Step 5: Solve for x
    x = 1,811,589,876.72/53,660.40
  6. Step 6: Final answer
    x = 33,760.28

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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.