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Finding the Fourth Proportional to 3,865.22, 5,795.62 and 1,232.22

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Solution

The fourth proportional to 3,865.22, 5,795.62 and 1,232.22 is: 1,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.22 : 5,795.62 = 1,232.22 : x
  2. Step 2: Convert to fraction form
    3,865.22/5,795.62 = 1,232.22/x
  3. Step 3: Cross multiply
    3,865.22x = 5,795.62 × 1,232.22
  4. Step 4: Simplify right side
    3,865.22x = 7,141,478.88
  5. Step 5: Solve for x
    x = 7,141,478.88/3,865.22
  6. Step 6: Final answer
    x = 1,847.63

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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.