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Finding the Fourth Proportional to 57,722.31, 79,629.44 and 37,571.84

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Solution

The fourth proportional to 57,722.31, 79,629.44 and 37,571.84 is: 51,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.31 : 79,629.44 = 37,571.84 : x
  2. Step 2: Convert to fraction form
    57,722.31/79,629.44 = 37,571.84/x
  3. Step 3: Cross multiply
    57,722.31x = 79,629.44 × 37,571.84
  4. Step 4: Simplify right side
    57,722.31x = 2,991,824,578.97
  5. Step 5: Solve for x
    x = 2,991,824,578.97/57,722.31
  6. Step 6: Final answer
    x = 51,831.34

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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.