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Finding the Fourth Proportional to 61,227.41, 84,493.79 and 34,369.97

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Solution

The fourth proportional to 61,227.41, 84,493.79 and 34,369.97 is: 47,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,227.41 : 84,493.79 = 34,369.97 : x
  2. Step 2: Convert to fraction form
    61,227.41/84,493.79 = 34,369.97/x
  3. Step 3: Cross multiply
    61,227.41x = 84,493.79 × 34,369.97
  4. Step 4: Simplify right side
    61,227.41x = 2,904,048,855.64
  5. Step 5: Solve for x
    x = 2,904,048,855.64/61,227.41
  6. Step 6: Final answer
    x = 47,430.54

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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.