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Finding the Fourth Proportional to 6,383.64, 8,791.28 and 4,612.44

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Solution

The fourth proportional to 6,383.64, 8,791.28 and 4,612.44 is: 6,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.64 : 8,791.28 = 4,612.44 : x
  2. Step 2: Convert to fraction form
    6,383.64/8,791.28 = 4,612.44/x
  3. Step 3: Cross multiply
    6,383.64x = 8,791.28 × 4,612.44
  4. Step 4: Simplify right side
    6,383.64x = 40,549,304.67
  5. Step 5: Solve for x
    x = 40,549,304.67/6,383.64
  6. Step 6: Final answer
    x = 6,352.06

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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.