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Finding the Fourth Proportional to 23,147.39, 34,713.92 and 8,354.44

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Solution

The fourth proportional to 23,147.39, 34,713.92 and 8,354.44 is: 12,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.39 : 34,713.92 = 8,354.44 : x
  2. Step 2: Convert to fraction form
    23,147.39/34,713.92 = 8,354.44/x
  3. Step 3: Cross multiply
    23,147.39x = 34,713.92 × 8,354.44
  4. Step 4: Simplify right side
    23,147.39x = 290,015,295.91
  5. Step 5: Solve for x
    x = 290,015,295.91/23,147.39
  6. Step 6: Final answer
    x = 12,529.07

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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.