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Finding the Fourth Proportional to 18,263.89, 27,379.39 and 6,568.89

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Solution

The fourth proportional to 18,263.89, 27,379.39 and 6,568.89 is: 9,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.89 : 27,379.39 = 6,568.89 : x
  2. Step 2: Convert to fraction form
    18,263.89/27,379.39 = 6,568.89/x
  3. Step 3: Cross multiply
    18,263.89x = 27,379.39 × 6,568.89
  4. Step 4: Simplify right side
    18,263.89x = 179,852,031.44
  5. Step 5: Solve for x
    x = 179,852,031.44/18,263.89
  6. Step 6: Final answer
    x = 9,847.41

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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.