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Finding the Fourth Proportional to 3,203.96, 4,805.46 and 1,472.36

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Solution

The fourth proportional to 3,203.96, 4,805.46 and 1,472.36 is: 2,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.96 : 4,805.46 = 1,472.36 : x
  2. Step 2: Convert to fraction form
    3,203.96/4,805.46 = 1,472.36/x
  3. Step 3: Cross multiply
    3,203.96x = 4,805.46 × 1,472.36
  4. Step 4: Simplify right side
    3,203.96x = 7,075,367.09
  5. Step 5: Solve for x
    x = 7,075,367.09/3,203.96
  6. Step 6: Final answer
    x = 2,208.32

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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.