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Finding the Fourth Proportional to 22,516.01, 33,609.13 and 19,855.89

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Solution

The fourth proportional to 22,516.01, 33,609.13 and 19,855.89 is: 29,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.01 : 33,609.13 = 19,855.89 : x
  2. Step 2: Convert to fraction form
    22,516.01/33,609.13 = 19,855.89/x
  3. Step 3: Cross multiply
    22,516.01x = 33,609.13 × 19,855.89
  4. Step 4: Simplify right side
    22,516.01x = 667,339,188.28
  5. Step 5: Solve for x
    x = 667,339,188.28/22,516.01
  6. Step 6: Final answer
    x = 29,638.44

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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.