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Finding the Fourth Proportional to 22,016.40, 33,023.44 and 7,223.37

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Solution

The fourth proportional to 22,016.40, 33,023.44 and 7,223.37 is: 10,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.40 : 33,023.44 = 7,223.37 : x
  2. Step 2: Convert to fraction form
    22,016.40/33,023.44 = 7,223.37/x
  3. Step 3: Cross multiply
    22,016.40x = 33,023.44 × 7,223.37
  4. Step 4: Simplify right side
    22,016.40x = 238,540,525.79
  5. Step 5: Solve for x
    x = 238,540,525.79/22,016.40
  6. Step 6: Final answer
    x = 10,834.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.