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Finding the Fourth Proportional to 26,953.20, 40,435.20 and 22,600.80

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Solution

The fourth proportional to 26,953.20, 40,435.20 and 22,600.80 is: 33,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,953.20 : 40,435.20 = 22,600.80 : x
  2. Step 2: Convert to fraction form
    26,953.20/40,435.20 = 22,600.80/x
  3. Step 3: Cross multiply
    26,953.20x = 40,435.20 × 22,600.80
  4. Step 4: Simplify right side
    26,953.20x = 913,867,868.16
  5. Step 5: Solve for x
    x = 913,867,868.16/26,953.20
  6. Step 6: Final answer
    x = 33,905.73

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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.