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Finding the Fourth Proportional to 57,673.89, 86,469.30 and 35,441.33

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Solution

The fourth proportional to 57,673.89, 86,469.30 and 35,441.33 is: 53,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,673.89 : 86,469.30 = 35,441.33 : x
  2. Step 2: Convert to fraction form
    57,673.89/86,469.30 = 35,441.33/x
  3. Step 3: Cross multiply
    57,673.89x = 86,469.30 × 35,441.33
  4. Step 4: Simplify right side
    57,673.89x = 3,064,586,563.82
  5. Step 5: Solve for x
    x = 3,064,586,563.82/57,673.89
  6. Step 6: Final answer
    x = 53,136.46

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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.