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Finding the Fourth Proportional to 17,755.52, 24,495.18 and 12,453.80

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Solution

The fourth proportional to 17,755.52, 24,495.18 and 12,453.80 is: 17,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.52 : 24,495.18 = 12,453.80 : x
  2. Step 2: Convert to fraction form
    17,755.52/24,495.18 = 12,453.80/x
  3. Step 3: Cross multiply
    17,755.52x = 24,495.18 × 12,453.80
  4. Step 4: Simplify right side
    17,755.52x = 305,058,072.68
  5. Step 5: Solve for x
    x = 305,058,072.68/17,755.52
  6. Step 6: Final answer
    x = 17,181.03

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1.5x scale

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.