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Finding the Fourth Proportional to 22,419.58, 33,629.18 and 8,383.14

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Solution

The fourth proportional to 22,419.58, 33,629.18 and 8,383.14 is: 12,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.58 : 33,629.18 = 8,383.14 : x
  2. Step 2: Convert to fraction form
    22,419.58/33,629.18 = 8,383.14/x
  3. Step 3: Cross multiply
    22,419.58x = 33,629.18 × 8,383.14
  4. Step 4: Simplify right side
    22,419.58x = 281,918,124.03
  5. Step 5: Solve for x
    x = 281,918,124.03/22,419.58
  6. Step 6: Final answer
    x = 12,574.64

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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.