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Finding the Fourth Proportional to 12,757.58, 17,604.08 and 7,092.57

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Solution

The fourth proportional to 12,757.58, 17,604.08 and 7,092.57 is: 9,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.58 : 17,604.08 = 7,092.57 : x
  2. Step 2: Convert to fraction form
    12,757.58/17,604.08 = 7,092.57/x
  3. Step 3: Cross multiply
    12,757.58x = 17,604.08 × 7,092.57
  4. Step 4: Simplify right side
    12,757.58x = 124,858,169.69
  5. Step 5: Solve for x
    x = 124,858,169.69/12,757.58
  6. Step 6: Final answer
    x = 9,786.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.