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Finding the Fourth Proportional to 22,025.63, 30,353.39 and 21,620.73

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Solution

The fourth proportional to 22,025.63, 30,353.39 and 21,620.73 is: 29,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.63 : 30,353.39 = 21,620.73 : x
  2. Step 2: Convert to fraction form
    22,025.63/30,353.39 = 21,620.73/x
  3. Step 3: Cross multiply
    22,025.63x = 30,353.39 × 21,620.73
  4. Step 4: Simplify right side
    22,025.63x = 656,262,449.77
  5. Step 5: Solve for x
    x = 656,262,449.77/22,025.63
  6. Step 6: Final answer
    x = 29,795.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.