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Finding the Fourth Proportional to 22,317.36, 33,467.52 and 7,320.96

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Solution

The fourth proportional to 22,317.36, 33,467.52 and 7,320.96 is: 10,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,317.36 : 33,467.52 = 7,320.96 : x
  2. Step 2: Convert to fraction form
    22,317.36/33,467.52 = 7,320.96/x
  3. Step 3: Cross multiply
    22,317.36x = 33,467.52 × 7,320.96
  4. Step 4: Simplify right side
    22,317.36x = 245,014,375.22
  5. Step 5: Solve for x
    x = 245,014,375.22/22,317.36
  6. Step 6: Final answer
    x = 10,978.65

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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.