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Finding the Fourth Proportional to 67,117.71, 100,674.24 and 17,198.22

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Solution

The fourth proportional to 67,117.71, 100,674.24 and 17,198.22 is: 25,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,117.71 : 100,674.24 = 17,198.22 : x
  2. Step 2: Convert to fraction form
    67,117.71/100,674.24 = 17,198.22/x
  3. Step 3: Cross multiply
    67,117.71x = 100,674.24 × 17,198.22
  4. Step 4: Simplify right side
    67,117.71x = 1,731,417,727.85
  5. Step 5: Solve for x
    x = 1,731,417,727.85/67,117.71
  6. Step 6: Final answer
    x = 25,796.73

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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.