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Finding the Fourth Proportional to 4,662.72, 6,464.43 and 4,425.48

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Solution

The fourth proportional to 4,662.72, 6,464.43 and 4,425.48 is: 6,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.72 : 6,464.43 = 4,425.48 : x
  2. Step 2: Convert to fraction form
    4,662.72/6,464.43 = 4,425.48/x
  3. Step 3: Cross multiply
    4,662.72x = 6,464.43 × 4,425.48
  4. Step 4: Simplify right side
    4,662.72x = 28,608,205.68
  5. Step 5: Solve for x
    x = 28,608,205.68/4,662.72
  6. Step 6: Final answer
    x = 6,135.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.