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Finding the Fourth Proportional to 8,793.75, 13,190.79 and 3,244.23

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Solution

The fourth proportional to 8,793.75, 13,190.79 and 3,244.23 is: 4,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.75 : 13,190.79 = 3,244.23 : x
  2. Step 2: Convert to fraction form
    8,793.75/13,190.79 = 3,244.23/x
  3. Step 3: Cross multiply
    8,793.75x = 13,190.79 × 3,244.23
  4. Step 4: Simplify right side
    8,793.75x = 42,793,977.45
  5. Step 5: Solve for x
    x = 42,793,977.45/8,793.75
  6. Step 6: Final answer
    x = 4,866.41

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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.