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Finding the Fourth Proportional to 6,793.90, 10,190.16 and 1,864.03

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Solution

The fourth proportional to 6,793.90, 10,190.16 and 1,864.03 is: 2,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.90 : 10,190.16 = 1,864.03 : x
  2. Step 2: Convert to fraction form
    6,793.90/10,190.16 = 1,864.03/x
  3. Step 3: Cross multiply
    6,793.90x = 10,190.16 × 1,864.03
  4. Step 4: Simplify right side
    6,793.90x = 18,994,763.94
  5. Step 5: Solve for x
    x = 18,994,763.94/6,793.90
  6. Step 6: Final answer
    x = 2,795.86

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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.