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Finding the Fourth Proportional to 2,822.94, 4,228.74 and 1,357.74

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Solution

The fourth proportional to 2,822.94, 4,228.74 and 1,357.74 is: 2,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.94 : 4,228.74 = 1,357.74 : x
  2. Step 2: Convert to fraction form
    2,822.94/4,228.74 = 1,357.74/x
  3. Step 3: Cross multiply
    2,822.94x = 4,228.74 × 1,357.74
  4. Step 4: Simplify right side
    2,822.94x = 5,741,529.45
  5. Step 5: Solve for x
    x = 5,741,529.45/2,822.94
  6. Step 6: Final answer
    x = 2,033.88

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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.