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Finding the Fourth Proportional to 22,018.50, 33,015.44 and 7,223.44

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Solution

The fourth proportional to 22,018.50, 33,015.44 and 7,223.44 is: 10,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.50 : 33,015.44 = 7,223.44 : x
  2. Step 2: Convert to fraction form
    22,018.50/33,015.44 = 7,223.44/x
  3. Step 3: Cross multiply
    22,018.50x = 33,015.44 × 7,223.44
  4. Step 4: Simplify right side
    22,018.50x = 238,485,049.91
  5. Step 5: Solve for x
    x = 238,485,049.91/22,018.50
  6. Step 6: Final answer
    x = 10,831.12

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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.