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Finding the Fourth Proportional to 11,751.30, 16,211.20 and 7,034.67

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Solution

The fourth proportional to 11,751.30, 16,211.20 and 7,034.67 is: 9,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.30 : 16,211.20 = 7,034.67 : x
  2. Step 2: Convert to fraction form
    11,751.30/16,211.20 = 7,034.67/x
  3. Step 3: Cross multiply
    11,751.30x = 16,211.20 × 7,034.67
  4. Step 4: Simplify right side
    11,751.30x = 114,040,442.30
  5. Step 5: Solve for x
    x = 114,040,442.30/11,751.30
  6. Step 6: Final answer
    x = 9,704.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.