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Finding the Fourth Proportional to 27,632.40, 41,448.88 and 22,120.78

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Solution

The fourth proportional to 27,632.40, 41,448.88 and 22,120.78 is: 33,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.40 : 41,448.88 = 22,120.78 : x
  2. Step 2: Convert to fraction form
    27,632.40/41,448.88 = 22,120.78/x
  3. Step 3: Cross multiply
    27,632.40x = 41,448.88 × 22,120.78
  4. Step 4: Simplify right side
    27,632.40x = 916,881,555.73
  5. Step 5: Solve for x
    x = 916,881,555.73/27,632.40
  6. Step 6: Final answer
    x = 33,181.39

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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.