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Finding the Fourth Proportional to 7,324.99, 10,108.46 and 3,967.79

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Solution

The fourth proportional to 7,324.99, 10,108.46 and 3,967.79 is: 5,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.99 : 10,108.46 = 3,967.79 : x
  2. Step 2: Convert to fraction form
    7,324.99/10,108.46 = 3,967.79/x
  3. Step 3: Cross multiply
    7,324.99x = 10,108.46 × 3,967.79
  4. Step 4: Simplify right side
    7,324.99x = 40,108,226.66
  5. Step 5: Solve for x
    x = 40,108,226.66/7,324.99
  6. Step 6: Final answer
    x = 5,475.54

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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.