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Finding the Fourth Proportional to 8,481.47, 12,717.53 and 6,737.63

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Solution

The fourth proportional to 8,481.47, 12,717.53 and 6,737.63 is: 10,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.47 : 12,717.53 = 6,737.63 : x
  2. Step 2: Convert to fraction form
    8,481.47/12,717.53 = 6,737.63/x
  3. Step 3: Cross multiply
    8,481.47x = 12,717.53 × 6,737.63
  4. Step 4: Simplify right side
    8,481.47x = 85,685,914.38
  5. Step 5: Solve for x
    x = 85,685,914.38/8,481.47
  6. Step 6: Final answer
    x = 10,102.73

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1.5x scale

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.