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Finding the Fourth Proportional to 17,910.22, 24,716.55 and 9,953.20

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Solution

The fourth proportional to 17,910.22, 24,716.55 and 9,953.20 is: 13,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.22 : 24,716.55 = 9,953.20 : x
  2. Step 2: Convert to fraction form
    17,910.22/24,716.55 = 9,953.20/x
  3. Step 3: Cross multiply
    17,910.22x = 24,716.55 × 9,953.20
  4. Step 4: Simplify right side
    17,910.22x = 246,008,765.46
  5. Step 5: Solve for x
    x = 246,008,765.46/17,910.22
  6. Step 6: Final answer
    x = 13,735.66

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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.