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Finding the Fourth Proportional to 6,959.67, 10,430.17 and 3,999.48

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Solution

The fourth proportional to 6,959.67, 10,430.17 and 3,999.48 is: 5,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.67 : 10,430.17 = 3,999.48 : x
  2. Step 2: Convert to fraction form
    6,959.67/10,430.17 = 3,999.48/x
  3. Step 3: Cross multiply
    6,959.67x = 10,430.17 × 3,999.48
  4. Step 4: Simplify right side
    6,959.67x = 41,715,207.20
  5. Step 5: Solve for x
    x = 41,715,207.20/6,959.67
  6. Step 6: Final answer
    x = 5,993.85

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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.