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Finding the Fourth Proportional to 17,736.30, 26,592.30 and 8,380.80

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Solution

The fourth proportional to 17,736.30, 26,592.30 and 8,380.80 is: 12,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,736.30 : 26,592.30 = 8,380.80 : x
  2. Step 2: Convert to fraction form
    17,736.30/26,592.30 = 8,380.80/x
  3. Step 3: Cross multiply
    17,736.30x = 26,592.30 × 8,380.80
  4. Step 4: Simplify right side
    17,736.30x = 222,864,747.84
  5. Step 5: Solve for x
    x = 222,864,747.84/17,736.30
  6. Step 6: Final answer
    x = 12,565.46

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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.