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Finding the Fourth Proportional to 22,987.44, 34,480.22 and 7,997.99

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Solution

The fourth proportional to 22,987.44, 34,480.22 and 7,997.99 is: 11,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.44 : 34,480.22 = 7,997.99 : x
  2. Step 2: Convert to fraction form
    22,987.44/34,480.22 = 7,997.99/x
  3. Step 3: Cross multiply
    22,987.44x = 34,480.22 × 7,997.99
  4. Step 4: Simplify right side
    22,987.44x = 275,772,324.60
  5. Step 5: Solve for x
    x = 275,772,324.60/22,987.44
  6. Step 6: Final answer
    x = 11,996.65

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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.