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Finding the Fourth Proportional to 2,879.92, 4,323.83 and 1,494.21

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Solution

The fourth proportional to 2,879.92, 4,323.83 and 1,494.21 is: 2,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.92 : 4,323.83 = 1,494.21 : x
  2. Step 2: Convert to fraction form
    2,879.92/4,323.83 = 1,494.21/x
  3. Step 3: Cross multiply
    2,879.92x = 4,323.83 × 1,494.21
  4. Step 4: Simplify right side
    2,879.92x = 6,460,710.02
  5. Step 5: Solve for x
    x = 6,460,710.02/2,879.92
  6. Step 6: Final answer
    x = 2,243.36

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1.5x scale

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.