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Finding the Fourth Proportional to 17,201.16, 23,736.78 and 9,646.56

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Solution

The fourth proportional to 17,201.16, 23,736.78 and 9,646.56 is: 13,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,201.16 : 23,736.78 = 9,646.56 : x
  2. Step 2: Convert to fraction form
    17,201.16/23,736.78 = 9,646.56/x
  3. Step 3: Cross multiply
    17,201.16x = 23,736.78 × 9,646.56
  4. Step 4: Simplify right side
    17,201.16x = 228,978,272.48
  5. Step 5: Solve for x
    x = 228,978,272.48/17,201.16
  6. Step 6: Final answer
    x = 13,311.79

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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.