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Finding the Fourth Proportional to 6,372.54, 9,561.24 and 2,479.68

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Solution

The fourth proportional to 6,372.54, 9,561.24 and 2,479.68 is: 3,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.54 : 9,561.24 = 2,479.68 : x
  2. Step 2: Convert to fraction form
    6,372.54/9,561.24 = 2,479.68/x
  3. Step 3: Cross multiply
    6,372.54x = 9,561.24 × 2,479.68
  4. Step 4: Simplify right side
    6,372.54x = 23,708,815.60
  5. Step 5: Solve for x
    x = 23,708,815.60/6,372.54
  6. Step 6: Final answer
    x = 3,720.47

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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.