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Finding the Fourth Proportional to 22,608.90, 33,928.38 and 9,292.80

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Solution

The fourth proportional to 22,608.90, 33,928.38 and 9,292.80 is: 13,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.90 : 33,928.38 = 9,292.80 : x
  2. Step 2: Convert to fraction form
    22,608.90/33,928.38 = 9,292.80/x
  3. Step 3: Cross multiply
    22,608.90x = 33,928.38 × 9,292.80
  4. Step 4: Simplify right side
    22,608.90x = 315,289,649.66
  5. Step 5: Solve for x
    x = 315,289,649.66/22,608.90
  6. Step 6: Final answer
    x = 13,945.38

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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.