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Finding the Fourth Proportional to 57,244.67, 85,849.52 and 39,588.80

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Solution

The fourth proportional to 57,244.67, 85,849.52 and 39,588.80 is: 59,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,244.67 : 85,849.52 = 39,588.80 : x
  2. Step 2: Convert to fraction form
    57,244.67/85,849.52 = 39,588.80/x
  3. Step 3: Cross multiply
    57,244.67x = 85,849.52 × 39,588.80
  4. Step 4: Simplify right side
    57,244.67x = 3,398,678,850.18
  5. Step 5: Solve for x
    x = 3,398,678,850.18/57,244.67
  6. Step 6: Final answer
    x = 59,371.09

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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.