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Finding the Fourth Proportional to 67,879.24, 93,673.86 and 37,664.68

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Solution

The fourth proportional to 67,879.24, 93,673.86 and 37,664.68 is: 51,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,879.24 : 93,673.86 = 37,664.68 : x
  2. Step 2: Convert to fraction form
    67,879.24/93,673.86 = 37,664.68/x
  3. Step 3: Cross multiply
    67,879.24x = 93,673.86 × 37,664.68
  4. Step 4: Simplify right side
    67,879.24x = 3,528,195,961.26
  5. Step 5: Solve for x
    x = 3,528,195,961.26/67,879.24
  6. Step 6: Final answer
    x = 51,977.54

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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.