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Finding the Fourth Proportional to 43,561.25, 60,105.25 and 25,649.72

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Solution

The fourth proportional to 43,561.25, 60,105.25 and 25,649.72 is: 35,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561.25 : 60,105.25 = 25,649.72 : x
  2. Step 2: Convert to fraction form
    43,561.25/60,105.25 = 25,649.72/x
  3. Step 3: Cross multiply
    43,561.25x = 60,105.25 × 25,649.72
  4. Step 4: Simplify right side
    43,561.25x = 1,541,682,833.03
  5. Step 5: Solve for x
    x = 1,541,682,833.03/43,561.25
  6. Step 6: Final answer
    x = 35,391.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.