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Finding the Fourth Proportional to 16,699.88, 25,052.44 and 7,930.02

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Solution

The fourth proportional to 16,699.88, 25,052.44 and 7,930.02 is: 11,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.88 : 25,052.44 = 7,930.02 : x
  2. Step 2: Convert to fraction form
    16,699.88/25,052.44 = 7,930.02/x
  3. Step 3: Cross multiply
    16,699.88x = 25,052.44 × 7,930.02
  4. Step 4: Simplify right side
    16,699.88x = 198,666,350.25
  5. Step 5: Solve for x
    x = 198,666,350.25/16,699.88
  6. Step 6: Final answer
    x = 11,896.27

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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.