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Finding the Fourth Proportional to 6,372.95, 8,795.26 and 3,855.68

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Solution

The fourth proportional to 6,372.95, 8,795.26 and 3,855.68 is: 5,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.95 : 8,795.26 = 3,855.68 : x
  2. Step 2: Convert to fraction form
    6,372.95/8,795.26 = 3,855.68/x
  3. Step 3: Cross multiply
    6,372.95x = 8,795.26 × 3,855.68
  4. Step 4: Simplify right side
    6,372.95x = 33,911,678.52
  5. Step 5: Solve for x
    x = 33,911,678.52/6,372.95
  6. Step 6: Final answer
    x = 5,321.19

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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.