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Finding the Fourth Proportional to 60,945.58, 91,449.14 and 27,644.42

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Solution

The fourth proportional to 60,945.58, 91,449.14 and 27,644.42 is: 41,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,945.58 : 91,449.14 = 27,644.42 : x
  2. Step 2: Convert to fraction form
    60,945.58/91,449.14 = 27,644.42/x
  3. Step 3: Cross multiply
    60,945.58x = 91,449.14 × 27,644.42
  4. Step 4: Simplify right side
    60,945.58x = 2,528,058,434.80
  5. Step 5: Solve for x
    x = 2,528,058,434.80/60,945.58
  6. Step 6: Final answer
    x = 41,480.59

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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.