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Finding the Fourth Proportional to 17,677.44, 26,490.24 and 12,493.44

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Solution

The fourth proportional to 17,677.44, 26,490.24 and 12,493.44 is: 18,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.44 : 26,490.24 = 12,493.44 : x
  2. Step 2: Convert to fraction form
    17,677.44/26,490.24 = 12,493.44/x
  3. Step 3: Cross multiply
    17,677.44x = 26,490.24 × 12,493.44
  4. Step 4: Simplify right side
    17,677.44x = 330,954,224.03
  5. Step 5: Solve for x
    x = 330,954,224.03/17,677.44
  6. Step 6: Final answer
    x = 18,721.84

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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.