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Finding the Fourth Proportional to 67,847.75, 93,629.94 and 38,039.75

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Solution

The fourth proportional to 67,847.75, 93,629.94 and 38,039.75 is: 52,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,847.75 : 93,629.94 = 38,039.75 : x
  2. Step 2: Convert to fraction form
    67,847.75/93,629.94 = 38,039.75/x
  3. Step 3: Cross multiply
    67,847.75x = 93,629.94 × 38,039.75
  4. Step 4: Simplify right side
    67,847.75x = 3,561,659,510.12
  5. Step 5: Solve for x
    x = 3,561,659,510.12/67,847.75
  6. Step 6: Final answer
    x = 52,494.88

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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.