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Finding the Fourth Proportional to 8,481.42, 11,704.96 and 4,704.95

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Solution

The fourth proportional to 8,481.42, 11,704.96 and 4,704.95 is: 6,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.42 : 11,704.96 = 4,704.95 : x
  2. Step 2: Convert to fraction form
    8,481.42/11,704.96 = 4,704.95/x
  3. Step 3: Cross multiply
    8,481.42x = 11,704.96 × 4,704.95
  4. Step 4: Simplify right side
    8,481.42x = 55,071,193.03
  5. Step 5: Solve for x
    x = 55,071,193.03/8,481.42
  6. Step 6: Final answer
    x = 6,493.16

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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.