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Finding the Fourth Proportional to 5,326.28, 7,993.02 and 1,863.56

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Solution

The fourth proportional to 5,326.28, 7,993.02 and 1,863.56 is: 2,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.28 : 7,993.02 = 1,863.56 : x
  2. Step 2: Convert to fraction form
    5,326.28/7,993.02 = 1,863.56/x
  3. Step 3: Cross multiply
    5,326.28x = 7,993.02 × 1,863.56
  4. Step 4: Simplify right side
    5,326.28x = 14,895,472.35
  5. Step 5: Solve for x
    x = 14,895,472.35/5,326.28
  6. Step 6: Final answer
    x = 2,796.60

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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.