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Finding the Fourth Proportional to 1,896.19, 2,844.72 and 799.93

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Solution

The fourth proportional to 1,896.19, 2,844.72 and 799.93 is: 1,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.19 : 2,844.72 = 799.93 : x
  2. Step 2: Convert to fraction form
    1,896.19/2,844.72 = 799.93/x
  3. Step 3: Cross multiply
    1,896.19x = 2,844.72 × 799.93
  4. Step 4: Simplify right side
    1,896.19x = 2,275,576.87
  5. Step 5: Solve for x
    x = 2,275,576.87/1,896.19
  6. Step 6: Final answer
    x = 1,200.08

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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.