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Finding the Fourth Proportional to 60,694.99, 91,042.31 and 16,321.75

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Solution

The fourth proportional to 60,694.99, 91,042.31 and 16,321.75 is: 24,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,694.99 : 91,042.31 = 16,321.75 : x
  2. Step 2: Convert to fraction form
    60,694.99/91,042.31 = 16,321.75/x
  3. Step 3: Cross multiply
    60,694.99x = 91,042.31 × 16,321.75
  4. Step 4: Simplify right side
    60,694.99x = 1,485,969,636.44
  5. Step 5: Solve for x
    x = 1,485,969,636.44/60,694.99
  6. Step 6: Final answer
    x = 24,482.58

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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.