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Finding the Fourth Proportional to 8,516.22, 11,751.93 and 4,739.19

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Solution

The fourth proportional to 8,516.22, 11,751.93 and 4,739.19 is: 6,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.22 : 11,751.93 = 4,739.19 : x
  2. Step 2: Convert to fraction form
    8,516.22/11,751.93 = 4,739.19/x
  3. Step 3: Cross multiply
    8,516.22x = 11,751.93 × 4,739.19
  4. Step 4: Simplify right side
    8,516.22x = 55,694,629.14
  5. Step 5: Solve for x
    x = 55,694,629.14/8,516.22
  6. Step 6: Final answer
    x = 6,539.83

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Why These Related Problems?

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