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Finding the Fourth Proportional to 18,052.66, 27,056.44 and 8,690.94

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Solution

The fourth proportional to 18,052.66, 27,056.44 and 8,690.94 is: 13,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.66 : 27,056.44 = 8,690.94 : x
  2. Step 2: Convert to fraction form
    18,052.66/27,056.44 = 8,690.94/x
  3. Step 3: Cross multiply
    18,052.66x = 27,056.44 × 8,690.94
  4. Step 4: Simplify right side
    18,052.66x = 235,145,896.65
  5. Step 5: Solve for x
    x = 235,145,896.65/18,052.66
  6. Step 6: Final answer
    x = 13,025.55

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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.