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Finding the Fourth Proportional to 22,174.56, 33,103.08 and 20,554.56

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Solution

The fourth proportional to 22,174.56, 33,103.08 and 20,554.56 is: 30,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,174.56 : 33,103.08 = 20,554.56 : x
  2. Step 2: Convert to fraction form
    22,174.56/33,103.08 = 20,554.56/x
  3. Step 3: Cross multiply
    22,174.56x = 33,103.08 × 20,554.56
  4. Step 4: Simplify right side
    22,174.56x = 680,419,244.04
  5. Step 5: Solve for x
    x = 680,419,244.04/22,174.56
  6. Step 6: Final answer
    x = 30,684.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.