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Finding the Fourth Proportional to 26,162.58, 39,243.78 and 7,187.24

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Solution

The fourth proportional to 26,162.58, 39,243.78 and 7,187.24 is: 10,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,162.58 : 39,243.78 = 7,187.24 : x
  2. Step 2: Convert to fraction form
    26,162.58/39,243.78 = 7,187.24/x
  3. Step 3: Cross multiply
    26,162.58x = 39,243.78 × 7,187.24
  4. Step 4: Simplify right side
    26,162.58x = 282,054,269.15
  5. Step 5: Solve for x
    x = 282,054,269.15/26,162.58
  6. Step 6: Final answer
    x = 10,780.83

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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.