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Finding the Fourth Proportional to 22,819.46, 34,188.08 and 21,447.05

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Solution

The fourth proportional to 22,819.46, 34,188.08 and 21,447.05 is: 32,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819.46 : 34,188.08 = 21,447.05 : x
  2. Step 2: Convert to fraction form
    22,819.46/34,188.08 = 21,447.05/x
  3. Step 3: Cross multiply
    22,819.46x = 34,188.08 × 21,447.05
  4. Step 4: Simplify right side
    22,819.46x = 733,233,182.99
  5. Step 5: Solve for x
    x = 733,233,182.99/22,819.46
  6. Step 6: Final answer
    x = 32,131.93

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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.