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Finding the Fourth Proportional to 55,361.68, 82,991.41 and 22,073.69

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Solution

The fourth proportional to 55,361.68, 82,991.41 and 22,073.69 is: 33,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361.68 : 82,991.41 = 22,073.69 : x
  2. Step 2: Convert to fraction form
    55,361.68/82,991.41 = 22,073.69/x
  3. Step 3: Cross multiply
    55,361.68x = 82,991.41 × 22,073.69
  4. Step 4: Simplify right side
    55,361.68x = 1,831,926,546.63
  5. Step 5: Solve for x
    x = 1,831,926,546.63/55,361.68
  6. Step 6: Final answer
    x = 33,090.16

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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.