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Finding the Fourth Proportional to 3,520.32, 5,305.32 and 3,301.44

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Solution

The fourth proportional to 3,520.32, 5,305.32 and 3,301.44 is: 4,975.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.32 : 5,305.32 = 3,301.44 : x
  2. Step 2: Convert to fraction form
    3,520.32/5,305.32 = 3,301.44/x
  3. Step 3: Cross multiply
    3,520.32x = 5,305.32 × 3,301.44
  4. Step 4: Simplify right side
    3,520.32x = 17,515,195.66
  5. Step 5: Solve for x
    x = 17,515,195.66/3,520.32
  6. Step 6: Final answer
    x = 4,975.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.