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Finding the Fourth Proportional to 67,080.96, 92,571.84 and 38,786.56

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Solution

The fourth proportional to 67,080.96, 92,571.84 and 38,786.56 is: 53,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.96 : 92,571.84 = 38,786.56 : x
  2. Step 2: Convert to fraction form
    67,080.96/92,571.84 = 38,786.56/x
  3. Step 3: Cross multiply
    67,080.96x = 92,571.84 × 38,786.56
  4. Step 4: Simplify right side
    67,080.96x = 3,590,543,226.47
  5. Step 5: Solve for x
    x = 3,590,543,226.47/67,080.96
  6. Step 6: Final answer
    x = 53,525.52

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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.