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Finding the Fourth Proportional to 17,998.98, 26,999.11 and 4,851.67

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Solution

The fourth proportional to 17,998.98, 26,999.11 and 4,851.67 is: 7,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.98 : 26,999.11 = 4,851.67 : x
  2. Step 2: Convert to fraction form
    17,998.98/26,999.11 = 4,851.67/x
  3. Step 3: Cross multiply
    17,998.98x = 26,999.11 × 4,851.67
  4. Step 4: Simplify right side
    17,998.98x = 130,990,772.01
  5. Step 5: Solve for x
    x = 130,990,772.01/17,998.98
  6. Step 6: Final answer
    x = 7,277.68

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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.