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Finding the Fourth Proportional to 22,490.73, 33,698.97 and 18,333

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Solution

The fourth proportional to 22,490.73, 33,698.97 and 18,333 is: 27,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.73 : 33,698.97 = 18,333 : x
  2. Step 2: Convert to fraction form
    22,490.73/33,698.97 = 18,333/x
  3. Step 3: Cross multiply
    22,490.73x = 33,698.97 × 18,333
  4. Step 4: Simplify right side
    22,490.73x = 617,803,217.01
  5. Step 5: Solve for x
    x = 617,803,217.01/22,490.73
  6. Step 6: Final answer
    x = 27,469.24

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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.