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Finding the Fourth Proportional to 22,105.29, 33,157.98 and 18,201.50

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Solution

The fourth proportional to 22,105.29, 33,157.98 and 18,201.50 is: 27,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.29 : 33,157.98 = 18,201.50 : x
  2. Step 2: Convert to fraction form
    22,105.29/33,157.98 = 18,201.50/x
  3. Step 3: Cross multiply
    22,105.29x = 33,157.98 × 18,201.50
  4. Step 4: Simplify right side
    22,105.29x = 603,524,807.18
  5. Step 5: Solve for x
    x = 603,524,807.18/22,105.29
  6. Step 6: Final answer
    x = 27,302.28

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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.