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Finding the Fourth Proportional to 61,771.73, 92,665.09 and 17,398.48

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Solution

The fourth proportional to 61,771.73, 92,665.09 and 17,398.48 is: 26,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,771.73 : 92,665.09 = 17,398.48 : x
  2. Step 2: Convert to fraction form
    61,771.73/92,665.09 = 17,398.48/x
  3. Step 3: Cross multiply
    61,771.73x = 92,665.09 × 17,398.48
  4. Step 4: Simplify right side
    61,771.73x = 1,612,231,715.06
  5. Step 5: Solve for x
    x = 1,612,231,715.06/61,771.73
  6. Step 6: Final answer
    x = 26,099.83

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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.