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Finding the Fourth Proportional to 29,361.84, 43,941.11 and 18,112.56

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Solution

The fourth proportional to 29,361.84, 43,941.11 and 18,112.56 is: 27,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361.84 : 43,941.11 = 18,112.56 : x
  2. Step 2: Convert to fraction form
    29,361.84/43,941.11 = 18,112.56/x
  3. Step 3: Cross multiply
    29,361.84x = 43,941.11 × 18,112.56
  4. Step 4: Simplify right side
    29,361.84x = 795,885,900.78
  5. Step 5: Solve for x
    x = 795,885,900.78/29,361.84
  6. Step 6: Final answer
    x = 27,106.13

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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.