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Finding the Fourth Proportional to 37,969.69, 56,959.98 and 11,676.64

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Solution

The fourth proportional to 37,969.69, 56,959.98 and 11,676.64 is: 17,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,969.69 : 56,959.98 = 11,676.64 : x
  2. Step 2: Convert to fraction form
    37,969.69/56,959.98 = 11,676.64/x
  3. Step 3: Cross multiply
    37,969.69x = 56,959.98 × 11,676.64
  4. Step 4: Simplify right side
    37,969.69x = 665,101,180.87
  5. Step 5: Solve for x
    x = 665,101,180.87/37,969.69
  6. Step 6: Final answer
    x = 17,516.63

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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.