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Finding the Fourth Proportional to 29,181.87, 43,787.08 and 18,085.58

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Solution

The fourth proportional to 29,181.87, 43,787.08 and 18,085.58 is: 27,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181.87 : 43,787.08 = 18,085.58 : x
  2. Step 2: Convert to fraction form
    29,181.87/43,787.08 = 18,085.58/x
  3. Step 3: Cross multiply
    29,181.87x = 43,787.08 × 18,085.58
  4. Step 4: Simplify right side
    29,181.87x = 791,914,706.18
  5. Step 5: Solve for x
    x = 791,914,706.18/29,181.87
  6. Step 6: Final answer
    x = 27,137.22

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