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Finding the Fourth Proportional to 67,879.69, 93,685.14 and 37,674.73

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Solution

The fourth proportional to 67,879.69, 93,685.14 and 37,674.73 is: 51,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,879.69 : 93,685.14 = 37,674.73 : x
  2. Step 2: Convert to fraction form
    67,879.69/93,685.14 = 37,674.73/x
  3. Step 3: Cross multiply
    67,879.69x = 93,685.14 × 37,674.73
  4. Step 4: Simplify right side
    67,879.69x = 3,529,562,471.62
  5. Step 5: Solve for x
    x = 3,529,562,471.62/67,879.69
  6. Step 6: Final answer
    x = 51,997.33

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1.5x scale

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.