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Finding the Fourth Proportional to 27,959.85, 41,940.27 and 6,899.94

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Solution

The fourth proportional to 27,959.85, 41,940.27 and 6,899.94 is: 10,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.85 : 41,940.27 = 6,899.94 : x
  2. Step 2: Convert to fraction form
    27,959.85/41,940.27 = 6,899.94/x
  3. Step 3: Cross multiply
    27,959.85x = 41,940.27 × 6,899.94
  4. Step 4: Simplify right side
    27,959.85x = 289,385,346.58
  5. Step 5: Solve for x
    x = 289,385,346.58/27,959.85
  6. Step 6: Final answer
    x = 10,350.03

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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.