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Finding the Fourth Proportional to 22,542.40, 33,770.56 and 12,651.68

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Solution

The fourth proportional to 22,542.40, 33,770.56 and 12,651.68 is: 18,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.40 : 33,770.56 = 12,651.68 : x
  2. Step 2: Convert to fraction form
    22,542.40/33,770.56 = 12,651.68/x
  3. Step 3: Cross multiply
    22,542.40x = 33,770.56 × 12,651.68
  4. Step 4: Simplify right side
    22,542.40x = 427,254,318.54
  5. Step 5: Solve for x
    x = 427,254,318.54/22,542.40
  6. Step 6: Final answer
    x = 18,953.36

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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.