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Finding the Fourth Proportional to 1,937.05, 2,906.99 and 704.57

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Solution

The fourth proportional to 1,937.05, 2,906.99 and 704.57 is: 1,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.05 : 2,906.99 = 704.57 : x
  2. Step 2: Convert to fraction form
    1,937.05/2,906.99 = 704.57/x
  3. Step 3: Cross multiply
    1,937.05x = 2,906.99 × 704.57
  4. Step 4: Simplify right side
    1,937.05x = 2,048,162.53
  5. Step 5: Solve for x
    x = 2,048,162.53/1,937.05
  6. Step 6: Final answer
    x = 1,057.36

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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.