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Finding the Fourth Proportional to 63,662.43, 95,471.06 and 18,671.29

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Solution

The fourth proportional to 63,662.43, 95,471.06 and 18,671.29 is: 28,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,662.43 : 95,471.06 = 18,671.29 : x
  2. Step 2: Convert to fraction form
    63,662.43/95,471.06 = 18,671.29/x
  3. Step 3: Cross multiply
    63,662.43x = 95,471.06 × 18,671.29
  4. Step 4: Simplify right side
    63,662.43x = 1,782,567,655.87
  5. Step 5: Solve for x
    x = 1,782,567,655.87/63,662.43
  6. Step 6: Final answer
    x = 28,000.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.