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Finding the Fourth Proportional to 17,128.41, 23,635.31 and 9,676.41

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Solution

The fourth proportional to 17,128.41, 23,635.31 and 9,676.41 is: 13,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.41 : 23,635.31 = 9,676.41 : x
  2. Step 2: Convert to fraction form
    17,128.41/23,635.31 = 9,676.41/x
  3. Step 3: Cross multiply
    17,128.41x = 23,635.31 × 9,676.41
  4. Step 4: Simplify right side
    17,128.41x = 228,704,901.66
  5. Step 5: Solve for x
    x = 228,704,901.66/17,128.41
  6. Step 6: Final answer
    x = 13,352.37

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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.