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Finding the Fourth Proportional to 1,579.22, 2,367.46 and 798.56

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Solution

The fourth proportional to 1,579.22, 2,367.46 and 798.56 is: 1,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.22 : 2,367.46 = 798.56 : x
  2. Step 2: Convert to fraction form
    1,579.22/2,367.46 = 798.56/x
  3. Step 3: Cross multiply
    1,579.22x = 2,367.46 × 798.56
  4. Step 4: Simplify right side
    1,579.22x = 1,890,558.86
  5. Step 5: Solve for x
    x = 1,890,558.86/1,579.22
  6. Step 6: Final answer
    x = 1,197.15

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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.