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Finding the Fourth Proportional to 18,568.96, 27,856 and 6,260.48

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Solution

The fourth proportional to 18,568.96, 27,856 and 6,260.48 is: 9,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.96 : 27,856 = 6,260.48 : x
  2. Step 2: Convert to fraction form
    18,568.96/27,856 = 6,260.48/x
  3. Step 3: Cross multiply
    18,568.96x = 27,856 × 6,260.48
  4. Step 4: Simplify right side
    18,568.96x = 174,391,930.88
  5. Step 5: Solve for x
    x = 174,391,930.88/18,568.96
  6. Step 6: Final answer
    x = 9,391.58

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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.