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Finding the Fourth Proportional to 4,493.21, 6,739.81 and 1,373.22

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Solution

The fourth proportional to 4,493.21, 6,739.81 and 1,373.22 is: 2,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.21 : 6,739.81 = 1,373.22 : x
  2. Step 2: Convert to fraction form
    4,493.21/6,739.81 = 1,373.22/x
  3. Step 3: Cross multiply
    4,493.21x = 6,739.81 × 1,373.22
  4. Step 4: Simplify right side
    4,493.21x = 9,255,238.46
  5. Step 5: Solve for x
    x = 9,255,238.46/4,493.21
  6. Step 6: Final answer
    x = 2,059.83

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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.