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Finding the Fourth Proportional to 33,665, 46,458.66 and 18,761.96

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Solution

The fourth proportional to 33,665, 46,458.66 and 18,761.96 is: 25,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,665 : 46,458.66 = 18,761.96 : x
  2. Step 2: Convert to fraction form
    33,665/46,458.66 = 18,761.96/x
  3. Step 3: Cross multiply
    33,665x = 46,458.66 × 18,761.96
  4. Step 4: Simplify right side
    33,665x = 871,655,520.57
  5. Step 5: Solve for x
    x = 871,655,520.57/33,665
  6. Step 6: Final answer
    x = 25,892.04

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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.