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Finding the Fourth Proportional to 67,195.10, 100,728.45 and 25,063.80

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Solution

The fourth proportional to 67,195.10, 100,728.45 and 25,063.80 is: 37,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,195.10 : 100,728.45 = 25,063.80 : x
  2. Step 2: Convert to fraction form
    67,195.10/100,728.45 = 25,063.80/x
  3. Step 3: Cross multiply
    67,195.10x = 100,728.45 × 25,063.80
  4. Step 4: Simplify right side
    67,195.10x = 2,524,637,725.11
  5. Step 5: Solve for x
    x = 2,524,637,725.11/67,195.10
  6. Step 6: Final answer
    x = 37,571.76

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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.