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Finding the Fourth Proportional to 60,991.89, 91,504.81 and 25,469.97

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Solution

The fourth proportional to 60,991.89, 91,504.81 and 25,469.97 is: 38,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,991.89 : 91,504.81 = 25,469.97 : x
  2. Step 2: Convert to fraction form
    60,991.89/91,504.81 = 25,469.97/x
  3. Step 3: Cross multiply
    60,991.89x = 91,504.81 × 25,469.97
  4. Step 4: Simplify right side
    60,991.89x = 2,330,624,783.24
  5. Step 5: Solve for x
    x = 2,330,624,783.24/60,991.89
  6. Step 6: Final answer
    x = 38,212.05

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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.