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Finding the Fourth Proportional to 14,793.94, 20,418.27 and 8,743.94

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Solution

The fourth proportional to 14,793.94, 20,418.27 and 8,743.94 is: 12,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,793.94 : 20,418.27 = 8,743.94 : x
  2. Step 2: Convert to fraction form
    14,793.94/20,418.27 = 8,743.94/x
  3. Step 3: Cross multiply
    14,793.94x = 20,418.27 × 8,743.94
  4. Step 4: Simplify right side
    14,793.94x = 178,536,127.78
  5. Step 5: Solve for x
    x = 178,536,127.78/14,793.94
  6. Step 6: Final answer
    x = 12,068.19

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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.