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Finding the Fourth Proportional to 44,676.99, 67,016.93 and 21,305.79

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Solution

The fourth proportional to 44,676.99, 67,016.93 and 21,305.79 is: 31,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,676.99 : 67,016.93 = 21,305.79 : x
  2. Step 2: Convert to fraction form
    44,676.99/67,016.93 = 21,305.79/x
  3. Step 3: Cross multiply
    44,676.99x = 67,016.93 × 21,305.79
  4. Step 4: Simplify right side
    44,676.99x = 1,427,848,530.50
  5. Step 5: Solve for x
    x = 1,427,848,530.50/44,676.99
  6. Step 6: Final answer
    x = 31,959.37

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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.