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Finding the Fourth Proportional to 61,049.49, 91,559.51 and 16,676.48

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Solution

The fourth proportional to 61,049.49, 91,559.51 and 16,676.48 is: 25,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,049.49 : 91,559.51 = 16,676.48 : x
  2. Step 2: Convert to fraction form
    61,049.49/91,559.51 = 16,676.48/x
  3. Step 3: Cross multiply
    61,049.49x = 91,559.51 × 16,676.48
  4. Step 4: Simplify right side
    61,049.49x = 1,526,889,796.14
  5. Step 5: Solve for x
    x = 1,526,889,796.14/61,049.49
  6. Step 6: Final answer
    x = 25,010.69

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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.