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Finding the Fourth Proportional to 18,196.76, 27,293.90 and 7,101.38

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Solution

The fourth proportional to 18,196.76, 27,293.90 and 7,101.38 is: 10,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.76 : 27,293.90 = 7,101.38 : x
  2. Step 2: Convert to fraction form
    18,196.76/27,293.90 = 7,101.38/x
  3. Step 3: Cross multiply
    18,196.76x = 27,293.90 × 7,101.38
  4. Step 4: Simplify right side
    18,196.76x = 193,824,355.58
  5. Step 5: Solve for x
    x = 193,824,355.58/18,196.76
  6. Step 6: Final answer
    x = 10,651.59

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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.