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Finding the Fourth Proportional to 27,796.40, 41,694.78 and 7,019.90

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Solution

The fourth proportional to 27,796.40, 41,694.78 and 7,019.90 is: 10,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.40 : 41,694.78 = 7,019.90 : x
  2. Step 2: Convert to fraction form
    27,796.40/41,694.78 = 7,019.90/x
  3. Step 3: Cross multiply
    27,796.40x = 41,694.78 × 7,019.90
  4. Step 4: Simplify right side
    27,796.40x = 292,693,186.12
  5. Step 5: Solve for x
    x = 292,693,186.12/27,796.40
  6. Step 6: Final answer
    x = 10,529.90

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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.