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Finding the Fourth Proportional to 22,008.32, 33,015.42 and 6,425.72

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Solution

The fourth proportional to 22,008.32, 33,015.42 and 6,425.72 is: 9,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.32 : 33,015.42 = 6,425.72 : x
  2. Step 2: Convert to fraction form
    22,008.32/33,015.42 = 6,425.72/x
  3. Step 3: Cross multiply
    22,008.32x = 33,015.42 × 6,425.72
  4. Step 4: Simplify right side
    22,008.32x = 212,147,844.60
  5. Step 5: Solve for x
    x = 212,147,844.60/22,008.32
  6. Step 6: Final answer
    x = 9,639.44

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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.