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Finding the Fourth Proportional to 1,936.00, 2,905.16 and 1,343.49

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Solution

The fourth proportional to 1,936.00, 2,905.16 and 1,343.49 is: 2,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.00 : 2,905.16 = 1,343.49 : x
  2. Step 2: Convert to fraction form
    1,936.00/2,905.16 = 1,343.49/x
  3. Step 3: Cross multiply
    1,936.00x = 2,905.16 × 1,343.49
  4. Step 4: Simplify right side
    1,936.00x = 3,903,035.80
  5. Step 5: Solve for x
    x = 3,903,035.80/1,936.00
  6. Step 6: Final answer
    x = 2,016.03

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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.