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Finding the Fourth Proportional to 16,817.92, 25,242.46 and 8,503.82

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Solution

The fourth proportional to 16,817.92, 25,242.46 and 8,503.82 is: 12,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.92 : 25,242.46 = 8,503.82 : x
  2. Step 2: Convert to fraction form
    16,817.92/25,242.46 = 8,503.82/x
  3. Step 3: Cross multiply
    16,817.92x = 25,242.46 × 8,503.82
  4. Step 4: Simplify right side
    16,817.92x = 214,657,336.20
  5. Step 5: Solve for x
    x = 214,657,336.20/16,817.92
  6. Step 6: Final answer
    x = 12,763.61

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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.