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Finding the Fourth Proportional to 8,481.55, 11,704.34 and 4,944.53

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Solution

The fourth proportional to 8,481.55, 11,704.34 and 4,944.53 is: 6,823.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.55 : 11,704.34 = 4,944.53 : x
  2. Step 2: Convert to fraction form
    8,481.55/11,704.34 = 4,944.53/x
  3. Step 3: Cross multiply
    8,481.55x = 11,704.34 × 4,944.53
  4. Step 4: Simplify right side
    8,481.55x = 57,872,460.26
  5. Step 5: Solve for x
    x = 57,872,460.26/8,481.55
  6. Step 6: Final answer
    x = 6,823.34

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1.5x scale

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.