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Finding the Fourth Proportional to 22,638.15, 33,949.54 and 7,843.62

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Solution

The fourth proportional to 22,638.15, 33,949.54 and 7,843.62 is: 11,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.15 : 33,949.54 = 7,843.62 : x
  2. Step 2: Convert to fraction form
    22,638.15/33,949.54 = 7,843.62/x
  3. Step 3: Cross multiply
    22,638.15x = 33,949.54 × 7,843.62
  4. Step 4: Simplify right side
    22,638.15x = 266,287,300.74
  5. Step 5: Solve for x
    x = 266,287,300.74/22,638.15
  6. Step 6: Final answer
    x = 11,762.77

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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.