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Finding the Fourth Proportional to 12,354.73, 18,532.92 and 4,348.54

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Solution

The fourth proportional to 12,354.73, 18,532.92 and 4,348.54 is: 6,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.73 : 18,532.92 = 4,348.54 : x
  2. Step 2: Convert to fraction form
    12,354.73/18,532.92 = 4,348.54/x
  3. Step 3: Cross multiply
    12,354.73x = 18,532.92 × 4,348.54
  4. Step 4: Simplify right side
    12,354.73x = 80,591,143.94
  5. Step 5: Solve for x
    x = 80,591,143.94/12,354.73
  6. Step 6: Final answer
    x = 6,523.10

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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.