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Finding the Fourth Proportional to 18,652.71, 27,976.29 and 6,803.70

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Solution

The fourth proportional to 18,652.71, 27,976.29 and 6,803.70 is: 10,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.71 : 27,976.29 = 6,803.70 : x
  2. Step 2: Convert to fraction form
    18,652.71/27,976.29 = 6,803.70/x
  3. Step 3: Cross multiply
    18,652.71x = 27,976.29 × 6,803.70
  4. Step 4: Simplify right side
    18,652.71x = 190,342,284.27
  5. Step 5: Solve for x
    x = 190,342,284.27/18,652.71
  6. Step 6: Final answer
    x = 10,204.54

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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.