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Finding the Fourth Proportional to 6,302,629.09, 8,701,650.62 and 5,143,843.50

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Solution

The fourth proportional to 6,302,629.09, 8,701,650.62 and 5,143,843.50 is: 7,101,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,302,629.09 : 8,701,650.62 = 5,143,843.50 : x
  2. Step 2: Convert to fraction form
    6,302,629.09/8,701,650.62 = 5,143,843.50/x
  3. Step 3: Cross multiply
    6,302,629.09x = 8,701,650.62 × 5,143,843.50
  4. Step 4: Simplify right side
    6,302,629.09x = 44,759,928,980,957.97
  5. Step 5: Solve for x
    x = 44,759,928,980,957.97/6,302,629.09
  6. Step 6: Final answer
    x = 7,101,786.94

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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.