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Finding the Fourth Proportional to 2,793.63, 4,191.59 and 1,232.80

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Solution

The fourth proportional to 2,793.63, 4,191.59 and 1,232.80 is: 1,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.63 : 4,191.59 = 1,232.80 : x
  2. Step 2: Convert to fraction form
    2,793.63/4,191.59 = 1,232.80/x
  3. Step 3: Cross multiply
    2,793.63x = 4,191.59 × 1,232.80
  4. Step 4: Simplify right side
    2,793.63x = 5,167,392.15
  5. Step 5: Solve for x
    x = 5,167,392.15/2,793.63
  6. Step 6: Final answer
    x = 1,849.71

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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.