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Finding the Fourth Proportional to 5,400.08, 7,452.16 and 3,162

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Solution

The fourth proportional to 5,400.08, 7,452.16 and 3,162 is: 4,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.08 : 7,452.16 = 3,162 : x
  2. Step 2: Convert to fraction form
    5,400.08/7,452.16 = 3,162/x
  3. Step 3: Cross multiply
    5,400.08x = 7,452.16 × 3,162
  4. Step 4: Simplify right side
    5,400.08x = 23,563,729.92
  5. Step 5: Solve for x
    x = 23,563,729.92/5,400.08
  6. Step 6: Final answer
    x = 4,363.59

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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.