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Finding the Fourth Proportional to 2,896.15, 4,344.16 and 704.89

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Solution

The fourth proportional to 2,896.15, 4,344.16 and 704.89 is: 1,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.15 : 4,344.16 = 704.89 : x
  2. Step 2: Convert to fraction form
    2,896.15/4,344.16 = 704.89/x
  3. Step 3: Cross multiply
    2,896.15x = 4,344.16 × 704.89
  4. Step 4: Simplify right side
    2,896.15x = 3,062,129.70
  5. Step 5: Solve for x
    x = 3,062,129.70/2,896.15
  6. Step 6: Final answer
    x = 1,057.31

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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.