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Finding the Fourth Proportional to 2,936.84, 4,405.26 and 1,203.56

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Solution

The fourth proportional to 2,936.84, 4,405.26 and 1,203.56 is: 1,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.84 : 4,405.26 = 1,203.56 : x
  2. Step 2: Convert to fraction form
    2,936.84/4,405.26 = 1,203.56/x
  3. Step 3: Cross multiply
    2,936.84x = 4,405.26 × 1,203.56
  4. Step 4: Simplify right side
    2,936.84x = 5,301,994.73
  5. Step 5: Solve for x
    x = 5,301,994.73/2,936.84
  6. Step 6: Final answer
    x = 1,805.34

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