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Finding the Fourth Proportional to 66,993.91, 100,336.83 and 37,346.09

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Solution

The fourth proportional to 66,993.91, 100,336.83 and 37,346.09 is: 55,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,993.91 : 100,336.83 = 37,346.09 : x
  2. Step 2: Convert to fraction form
    66,993.91/100,336.83 = 37,346.09/x
  3. Step 3: Cross multiply
    66,993.91x = 100,336.83 × 37,346.09
  4. Step 4: Simplify right side
    66,993.91x = 3,747,188,283.49
  5. Step 5: Solve for x
    x = 3,747,188,283.49/66,993.91
  6. Step 6: Final answer
    x = 55,933.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.