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Finding the Fourth Proportional to 3,993.63, 5,510.97 and 2,224.92

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Solution

The fourth proportional to 3,993.63, 5,510.97 and 2,224.92 is: 3,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.63 : 5,510.97 = 2,224.92 : x
  2. Step 2: Convert to fraction form
    3,993.63/5,510.97 = 2,224.92/x
  3. Step 3: Cross multiply
    3,993.63x = 5,510.97 × 2,224.92
  4. Step 4: Simplify right side
    3,993.63x = 12,261,467.37
  5. Step 5: Solve for x
    x = 12,261,467.37/3,993.63
  6. Step 6: Final answer
    x = 3,070.26

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.