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Finding the Fourth Proportional to 3,671.26, 5,066.26 and 1,992.64

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Solution

The fourth proportional to 3,671.26, 5,066.26 and 1,992.64 is: 2,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.26 : 5,066.26 = 1,992.64 : x
  2. Step 2: Convert to fraction form
    3,671.26/5,066.26 = 1,992.64/x
  3. Step 3: Cross multiply
    3,671.26x = 5,066.26 × 1,992.64
  4. Step 4: Simplify right side
    3,671.26x = 10,095,232.33
  5. Step 5: Solve for x
    x = 10,095,232.33/3,671.26
  6. Step 6: Final answer
    x = 2,749.80

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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.