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Finding the Fourth Proportional to 61,355.92, 84,668.98 and 34,499.97

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Solution

The fourth proportional to 61,355.92, 84,668.98 and 34,499.97 is: 47,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,355.92 : 84,668.98 = 34,499.97 : x
  2. Step 2: Convert to fraction form
    61,355.92/84,668.98 = 34,499.97/x
  3. Step 3: Cross multiply
    61,355.92x = 84,668.98 × 34,499.97
  4. Step 4: Simplify right side
    61,355.92x = 2,921,077,269.93
  5. Step 5: Solve for x
    x = 2,921,077,269.93/61,355.92
  6. Step 6: Final answer
    x = 47,608.73

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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.