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Finding the Fourth Proportional to 27,996.38, 41,995.38 and 7,219.88

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Solution

The fourth proportional to 27,996.38, 41,995.38 and 7,219.88 is: 10,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.38 : 41,995.38 = 7,219.88 : x
  2. Step 2: Convert to fraction form
    27,996.38/41,995.38 = 7,219.88/x
  3. Step 3: Cross multiply
    27,996.38x = 41,995.38 × 7,219.88
  4. Step 4: Simplify right side
    27,996.38x = 303,201,394.18
  5. Step 5: Solve for x
    x = 303,201,394.18/27,996.38
  6. Step 6: Final answer
    x = 10,830.02

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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.