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Finding the Fourth Proportional to 4,489.94, 6,734.37 and 1,203.23

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Solution

The fourth proportional to 4,489.94, 6,734.37 and 1,203.23 is: 1,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.94 : 6,734.37 = 1,203.23 : x
  2. Step 2: Convert to fraction form
    4,489.94/6,734.37 = 1,203.23/x
  3. Step 3: Cross multiply
    4,489.94x = 6,734.37 × 1,203.23
  4. Step 4: Simplify right side
    4,489.94x = 8,102,996.02
  5. Step 5: Solve for x
    x = 8,102,996.02/4,489.94
  6. Step 6: Final answer
    x = 1,804.70

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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.