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Finding the Fourth Proportional to 67,240.73, 100,831.94 and 22,855.57

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Solution

The fourth proportional to 67,240.73, 100,831.94 and 22,855.57 is: 34,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,240.73 : 100,831.94 = 22,855.57 : x
  2. Step 2: Convert to fraction form
    67,240.73/100,831.94 = 22,855.57/x
  3. Step 3: Cross multiply
    67,240.73x = 100,831.94 × 22,855.57
  4. Step 4: Simplify right side
    67,240.73x = 2,304,571,096.55
  5. Step 5: Solve for x
    x = 2,304,571,096.55/67,240.73
  6. Step 6: Final answer
    x = 34,273.44

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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.