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Finding the Fourth Proportional to 6,384.68, 8,810.83 and 3,731.56

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Solution

The fourth proportional to 6,384.68, 8,810.83 and 3,731.56 is: 5,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.68 : 8,810.83 = 3,731.56 : x
  2. Step 2: Convert to fraction form
    6,384.68/8,810.83 = 3,731.56/x
  3. Step 3: Cross multiply
    6,384.68x = 8,810.83 × 3,731.56
  4. Step 4: Simplify right side
    6,384.68x = 32,878,109.44
  5. Step 5: Solve for x
    x = 32,878,109.44/6,384.68
  6. Step 6: Final answer
    x = 5,149.54

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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.