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Finding the Fourth Proportional to 67,399.70, 93,010.70 and 37,186.30

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Solution

The fourth proportional to 67,399.70, 93,010.70 and 37,186.30 is: 51,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,399.70 : 93,010.70 = 37,186.30 : x
  2. Step 2: Convert to fraction form
    67,399.70/93,010.70 = 37,186.30/x
  3. Step 3: Cross multiply
    67,399.70x = 93,010.70 × 37,186.30
  4. Step 4: Simplify right side
    67,399.70x = 3,458,723,793.41
  5. Step 5: Solve for x
    x = 3,458,723,793.41/67,399.70
  6. Step 6: Final answer
    x = 51,316.61

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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.