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Finding the Fourth Proportional to 41,783.88, 62,660.12 and 16,815.48

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Solution

The fourth proportional to 41,783.88, 62,660.12 and 16,815.48 is: 25,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,783.88 : 62,660.12 = 16,815.48 : x
  2. Step 2: Convert to fraction form
    41,783.88/62,660.12 = 16,815.48/x
  3. Step 3: Cross multiply
    41,783.88x = 62,660.12 × 16,815.48
  4. Step 4: Simplify right side
    41,783.88x = 1,053,659,994.66
  5. Step 5: Solve for x
    x = 1,053,659,994.66/41,783.88
  6. Step 6: Final answer
    x = 25,216.90

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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.