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Finding the Fourth Proportional to 5,608, 8,406.30 and 2,322.88

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Solution

The fourth proportional to 5,608, 8,406.30 and 2,322.88 is: 3,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608 : 8,406.30 = 2,322.88 : x
  2. Step 2: Convert to fraction form
    5,608/8,406.30 = 2,322.88/x
  3. Step 3: Cross multiply
    5,608x = 8,406.30 × 2,322.88
  4. Step 4: Simplify right side
    5,608x = 19,526,826.14
  5. Step 5: Solve for x
    x = 19,526,826.14/5,608
  6. Step 6: Final answer
    x = 3,481.96

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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.