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Finding the Fourth Proportional to 22,544.12, 33,788.48 and 12,662.63

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Solution

The fourth proportional to 22,544.12, 33,788.48 and 12,662.63 is: 18,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,544.12 : 33,788.48 = 12,662.63 : x
  2. Step 2: Convert to fraction form
    22,544.12/33,788.48 = 12,662.63/x
  3. Step 3: Cross multiply
    22,544.12x = 33,788.48 × 12,662.63
  4. Step 4: Simplify right side
    22,544.12x = 427,851,020.50
  5. Step 5: Solve for x
    x = 427,851,020.50/22,544.12
  6. Step 6: Final answer
    x = 18,978.39

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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.