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Finding the Fourth Proportional to 61,357.92, 84,673.60 and 34,500.48

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Solution

The fourth proportional to 61,357.92, 84,673.60 and 34,500.48 is: 47,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357.92 : 84,673.60 = 34,500.48 : x
  2. Step 2: Convert to fraction form
    61,357.92/84,673.60 = 34,500.48/x
  3. Step 3: Cross multiply
    61,357.92x = 84,673.60 × 34,500.48
  4. Step 4: Simplify right side
    61,357.92x = 2,921,279,843.33
  5. Step 5: Solve for x
    x = 2,921,279,843.33/61,357.92
  6. Step 6: Final answer
    x = 47,610.48

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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.