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Finding the Fourth Proportional to 61,569.42, 85,035.87 and 41,391.33

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Solution

The fourth proportional to 61,569.42, 85,035.87 and 41,391.33 is: 57,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,569.42 : 85,035.87 = 41,391.33 : x
  2. Step 2: Convert to fraction form
    61,569.42/85,035.87 = 41,391.33/x
  3. Step 3: Cross multiply
    61,569.42x = 85,035.87 × 41,391.33
  4. Step 4: Simplify right side
    61,569.42x = 3,519,747,757.01
  5. Step 5: Solve for x
    x = 3,519,747,757.01/61,569.42
  6. Step 6: Final answer
    x = 57,167.14

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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.