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Finding the Fourth Proportional to 14,834.73, 20,465.42 and 8,863.41

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Solution

The fourth proportional to 14,834.73, 20,465.42 and 8,863.41 is: 12,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.73 : 20,465.42 = 8,863.41 : x
  2. Step 2: Convert to fraction form
    14,834.73/20,465.42 = 8,863.41/x
  3. Step 3: Cross multiply
    14,834.73x = 20,465.42 × 8,863.41
  4. Step 4: Simplify right side
    14,834.73x = 181,393,363.97
  5. Step 5: Solve for x
    x = 181,393,363.97/14,834.73
  6. Step 6: Final answer
    x = 12,227.61

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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.