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Finding the Fourth Proportional to 4,793.22, 7,190.22 and 1,330.47

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Solution

The fourth proportional to 4,793.22, 7,190.22 and 1,330.47 is: 1,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.22 : 7,190.22 = 1,330.47 : x
  2. Step 2: Convert to fraction form
    4,793.22/7,190.22 = 1,330.47/x
  3. Step 3: Cross multiply
    4,793.22x = 7,190.22 × 1,330.47
  4. Step 4: Simplify right side
    4,793.22x = 9,566,372.00
  5. Step 5: Solve for x
    x = 9,566,372.00/4,793.22
  6. Step 6: Final answer
    x = 1,995.81

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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.