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Finding the Fourth Proportional to 27,858.32, 41,786.94 and 6,798.50

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Solution

The fourth proportional to 27,858.32, 41,786.94 and 6,798.50 is: 10,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.32 : 41,786.94 = 6,798.50 : x
  2. Step 2: Convert to fraction form
    27,858.32/41,786.94 = 6,798.50/x
  3. Step 3: Cross multiply
    27,858.32x = 41,786.94 × 6,798.50
  4. Step 4: Simplify right side
    27,858.32x = 284,088,511.59
  5. Step 5: Solve for x
    x = 284,088,511.59/27,858.32
  6. Step 6: Final answer
    x = 10,197.62

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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.