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Finding the Fourth Proportional to 45,198, 67,797.02 and 12,366

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Solution

The fourth proportional to 45,198, 67,797.02 and 12,366 is: 18,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,198 : 67,797.02 = 12,366 : x
  2. Step 2: Convert to fraction form
    45,198/67,797.02 = 12,366/x
  3. Step 3: Cross multiply
    45,198x = 67,797.02 × 12,366
  4. Step 4: Simplify right side
    45,198x = 838,377,949.32
  5. Step 5: Solve for x
    x = 838,377,949.32/45,198
  6. Step 6: Final answer
    x = 18,549.01

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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.