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Finding the Fourth Proportional to 22,540.05, 33,801.42 and 7,746.21

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Solution

The fourth proportional to 22,540.05, 33,801.42 and 7,746.21 is: 11,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.05 : 33,801.42 = 7,746.21 : x
  2. Step 2: Convert to fraction form
    22,540.05/33,801.42 = 7,746.21/x
  3. Step 3: Cross multiply
    22,540.05x = 33,801.42 × 7,746.21
  4. Step 4: Simplify right side
    22,540.05x = 261,832,897.62
  5. Step 5: Solve for x
    x = 261,832,897.62/22,540.05
  6. Step 6: Final answer
    x = 11,616.34

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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.