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Finding the Fourth Proportional to 7,995.60, 11,993.22 and 2,152.28

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Solution

The fourth proportional to 7,995.60, 11,993.22 and 2,152.28 is: 3,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.60 : 11,993.22 = 2,152.28 : x
  2. Step 2: Convert to fraction form
    7,995.60/11,993.22 = 2,152.28/x
  3. Step 3: Cross multiply
    7,995.60x = 11,993.22 × 2,152.28
  4. Step 4: Simplify right side
    7,995.60x = 25,812,767.54
  5. Step 5: Solve for x
    x = 25,812,767.54/7,995.60
  6. Step 6: Final answer
    x = 3,228.37

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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.