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Finding the Fourth Proportional to 6,999.03, 10,497.74 and 1,805.31

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Solution

The fourth proportional to 6,999.03, 10,497.74 and 1,805.31 is: 2,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.03 : 10,497.74 = 1,805.31 : x
  2. Step 2: Convert to fraction form
    6,999.03/10,497.74 = 1,805.31/x
  3. Step 3: Cross multiply
    6,999.03x = 10,497.74 × 1,805.31
  4. Step 4: Simplify right side
    6,999.03x = 18,951,665.97
  5. Step 5: Solve for x
    x = 18,951,665.97/6,999.03
  6. Step 6: Final answer
    x = 2,707.76

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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.