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Finding the Fourth Proportional to 11,770.85, 16,243.74 and 6,465.62

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Solution

The fourth proportional to 11,770.85, 16,243.74 and 6,465.62 is: 8,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.85 : 16,243.74 = 6,465.62 : x
  2. Step 2: Convert to fraction form
    11,770.85/16,243.74 = 6,465.62/x
  3. Step 3: Cross multiply
    11,770.85x = 16,243.74 × 6,465.62
  4. Step 4: Simplify right side
    11,770.85x = 105,025,890.83
  5. Step 5: Solve for x
    x = 105,025,890.83/11,770.85
  6. Step 6: Final answer
    x = 8,922.54

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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.