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Finding the Fourth Proportional to 12,361.08, 18,544.92 and 4,965.84

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Solution

The fourth proportional to 12,361.08, 18,544.92 and 4,965.84 is: 7,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.08 : 18,544.92 = 4,965.84 : x
  2. Step 2: Convert to fraction form
    12,361.08/18,544.92 = 4,965.84/x
  3. Step 3: Cross multiply
    12,361.08x = 18,544.92 × 4,965.84
  4. Step 4: Simplify right side
    12,361.08x = 92,091,105.53
  5. Step 5: Solve for x
    x = 92,091,105.53/12,361.08
  6. Step 6: Final answer
    x = 7,450.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.