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Finding the Fourth Proportional to 18,052.06, 27,055.41 and 8,684.41

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Solution

The fourth proportional to 18,052.06, 27,055.41 and 8,684.41 is: 13,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.06 : 27,055.41 = 8,684.41 : x
  2. Step 2: Convert to fraction form
    18,052.06/27,055.41 = 8,684.41/x
  3. Step 3: Cross multiply
    18,052.06x = 27,055.41 × 8,684.41
  4. Step 4: Simplify right side
    18,052.06x = 234,960,273.16
  5. Step 5: Solve for x
    x = 234,960,273.16/18,052.06
  6. Step 6: Final answer
    x = 13,015.70

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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.