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Finding the Fourth Proportional to 4,609.82, 6,361.08 and 2,620.64

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Solution

The fourth proportional to 4,609.82, 6,361.08 and 2,620.64 is: 3,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.82 : 6,361.08 = 2,620.64 : x
  2. Step 2: Convert to fraction form
    4,609.82/6,361.08 = 2,620.64/x
  3. Step 3: Cross multiply
    4,609.82x = 6,361.08 × 2,620.64
  4. Step 4: Simplify right side
    4,609.82x = 16,670,100.69
  5. Step 5: Solve for x
    x = 16,670,100.69/4,609.82
  6. Step 6: Final answer
    x = 3,616.22

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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.