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Finding the Fourth Proportional to 1,936.66, 2,904.97 and 704.07

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Solution

The fourth proportional to 1,936.66, 2,904.97 and 704.07 is: 1,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.66 : 2,904.97 = 704.07 : x
  2. Step 2: Convert to fraction form
    1,936.66/2,904.97 = 704.07/x
  3. Step 3: Cross multiply
    1,936.66x = 2,904.97 × 704.07
  4. Step 4: Simplify right side
    1,936.66x = 2,045,287.70
  5. Step 5: Solve for x
    x = 2,045,287.70/1,936.66
  6. Step 6: Final answer
    x = 1,056.09

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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.