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Finding the Fourth Proportional to 17,755.44, 24,492.17 and 11,379.77

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Solution

The fourth proportional to 17,755.44, 24,492.17 and 11,379.77 is: 15,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.44 : 24,492.17 = 11,379.77 : x
  2. Step 2: Convert to fraction form
    17,755.44/24,492.17 = 11,379.77/x
  3. Step 3: Cross multiply
    17,755.44x = 24,492.17 × 11,379.77
  4. Step 4: Simplify right side
    17,755.44x = 278,715,259.24
  5. Step 5: Solve for x
    x = 278,715,259.24/17,755.44
  6. Step 6: Final answer
    x = 15,697.46

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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.