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Finding the Fourth Proportional to 16,759.86, 25,143.24 and 4,914.03

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Solution

The fourth proportional to 16,759.86, 25,143.24 and 4,914.03 is: 7,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.86 : 25,143.24 = 4,914.03 : x
  2. Step 2: Convert to fraction form
    16,759.86/25,143.24 = 4,914.03/x
  3. Step 3: Cross multiply
    16,759.86x = 25,143.24 × 4,914.03
  4. Step 4: Simplify right side
    16,759.86x = 123,554,635.66
  5. Step 5: Solve for x
    x = 123,554,635.66/16,759.86
  6. Step 6: Final answer
    x = 7,372.06

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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.