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Finding the Fourth Proportional to 7,958.86, 10,983.17 and 4,324.87

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Solution

The fourth proportional to 7,958.86, 10,983.17 and 4,324.87 is: 5,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.86 : 10,983.17 = 4,324.87 : x
  2. Step 2: Convert to fraction form
    7,958.86/10,983.17 = 4,324.87/x
  3. Step 3: Cross multiply
    7,958.86x = 10,983.17 × 4,324.87
  4. Step 4: Simplify right side
    7,958.86x = 47,500,782.44
  5. Step 5: Solve for x
    x = 47,500,782.44/7,958.86
  6. Step 6: Final answer
    x = 5,968.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.