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Finding the Fourth Proportional to 67,324.84, 100,989.83 and 25,200.49

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Solution

The fourth proportional to 67,324.84, 100,989.83 and 25,200.49 is: 37,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,324.84 : 100,989.83 = 25,200.49 : x
  2. Step 2: Convert to fraction form
    67,324.84/100,989.83 = 25,200.49/x
  3. Step 3: Cross multiply
    67,324.84x = 100,989.83 × 25,200.49
  4. Step 4: Simplify right side
    67,324.84x = 2,544,993,201.02
  5. Step 5: Solve for x
    x = 2,544,993,201.02/67,324.84
  6. Step 6: Final answer
    x = 37,801.70

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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.