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Finding the Fourth Proportional to 4,293.99, 6,406.44 and 3,826.20

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Solution

The fourth proportional to 4,293.99, 6,406.44 and 3,826.20 is: 5,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.99 : 6,406.44 = 3,826.20 : x
  2. Step 2: Convert to fraction form
    4,293.99/6,406.44 = 3,826.20/x
  3. Step 3: Cross multiply
    4,293.99x = 6,406.44 × 3,826.20
  4. Step 4: Simplify right side
    4,293.99x = 24,512,320.73
  5. Step 5: Solve for x
    x = 24,512,320.73/4,293.99
  6. Step 6: Final answer
    x = 5,708.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.