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Finding the Fourth Proportional to 2,662.03, 3,993.04 and 930.25

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Solution

The fourth proportional to 2,662.03, 3,993.04 and 930.25 is: 1,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.03 : 3,993.04 = 930.25 : x
  2. Step 2: Convert to fraction form
    2,662.03/3,993.04 = 930.25/x
  3. Step 3: Cross multiply
    2,662.03x = 3,993.04 × 930.25
  4. Step 4: Simplify right side
    2,662.03x = 3,714,516.64
  5. Step 5: Solve for x
    x = 3,714,516.64/2,662.03
  6. Step 6: Final answer
    x = 1,395.37

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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.