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Finding the Fourth Proportional to 22,091.70, 33,101.10 and 18,373.80

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Solution

The fourth proportional to 22,091.70, 33,101.10 and 18,373.80 is: 27,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.70 : 33,101.10 = 18,373.80 : x
  2. Step 2: Convert to fraction form
    22,091.70/33,101.10 = 18,373.80/x
  3. Step 3: Cross multiply
    22,091.70x = 33,101.10 × 18,373.80
  4. Step 4: Simplify right side
    22,091.70x = 608,192,991.18
  5. Step 5: Solve for x
    x = 608,192,991.18/22,091.70
  6. Step 6: Final answer
    x = 27,530.38

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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.