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Finding the Fourth Proportional to 7,218.68, 10,832.04 and 3,932.04

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Solution

The fourth proportional to 7,218.68, 10,832.04 and 3,932.04 is: 5,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.68 : 10,832.04 = 3,932.04 : x
  2. Step 2: Convert to fraction form
    7,218.68/10,832.04 = 3,932.04/x
  3. Step 3: Cross multiply
    7,218.68x = 10,832.04 × 3,932.04
  4. Step 4: Simplify right side
    7,218.68x = 42,592,014.56
  5. Step 5: Solve for x
    x = 42,592,014.56/7,218.68
  6. Step 6: Final answer
    x = 5,900.25

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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.