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Finding the Fourth Proportional to 4,609.63, 6,361.83 and 2,620.49

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Solution

The fourth proportional to 4,609.63, 6,361.83 and 2,620.49 is: 3,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.63 : 6,361.83 = 2,620.49 : x
  2. Step 2: Convert to fraction form
    4,609.63/6,361.83 = 2,620.49/x
  3. Step 3: Cross multiply
    4,609.63x = 6,361.83 × 2,620.49
  4. Step 4: Simplify right side
    4,609.63x = 16,671,119.82
  5. Step 5: Solve for x
    x = 16,671,119.82/4,609.63
  6. Step 6: Final answer
    x = 3,616.58

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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.