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Finding the Fourth Proportional to 5,739.53, 8,606.86 and 2,179.31

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Solution

The fourth proportional to 5,739.53, 8,606.86 and 2,179.31 is: 3,268.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.53 : 8,606.86 = 2,179.31 : x
  2. Step 2: Convert to fraction form
    5,739.53/8,606.86 = 2,179.31/x
  3. Step 3: Cross multiply
    5,739.53x = 8,606.86 × 2,179.31
  4. Step 4: Simplify right side
    5,739.53x = 18,756,967.58
  5. Step 5: Solve for x
    x = 18,756,967.58/5,739.53
  6. Step 6: Final answer
    x = 3,268.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.