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Finding the Fourth Proportional to 8,472.94, 12,717.27 and 6,103.46

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Solution

The fourth proportional to 8,472.94, 12,717.27 and 6,103.46 is: 9,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.94 : 12,717.27 = 6,103.46 : x
  2. Step 2: Convert to fraction form
    8,472.94/12,717.27 = 6,103.46/x
  3. Step 3: Cross multiply
    8,472.94x = 12,717.27 × 6,103.46
  4. Step 4: Simplify right side
    8,472.94x = 77,619,380.55
  5. Step 5: Solve for x
    x = 77,619,380.55/8,472.94
  6. Step 6: Final answer
    x = 9,160.86

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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.