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Finding the Fourth Proportional to 49,361.51, 68,120.50 and 27,005.51

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Solution

The fourth proportional to 49,361.51, 68,120.50 and 27,005.51 is: 37,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,361.51 : 68,120.50 = 27,005.51 : x
  2. Step 2: Convert to fraction form
    49,361.51/68,120.50 = 27,005.51/x
  3. Step 3: Cross multiply
    49,361.51x = 68,120.50 × 27,005.51
  4. Step 4: Simplify right side
    49,361.51x = 1,839,628,708.93
  5. Step 5: Solve for x
    x = 1,839,628,708.93/49,361.51
  6. Step 6: Final answer
    x = 37,268.49

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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.