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Finding the Fourth Proportional to 49,141.65, 73,741.03 and 20,676.51

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Solution

The fourth proportional to 49,141.65, 73,741.03 and 20,676.51 is: 31,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,141.65 : 73,741.03 = 20,676.51 : x
  2. Step 2: Convert to fraction form
    49,141.65/73,741.03 = 20,676.51/x
  3. Step 3: Cross multiply
    49,141.65x = 73,741.03 × 20,676.51
  4. Step 4: Simplify right side
    49,141.65x = 1,524,706,672.12
  5. Step 5: Solve for x
    x = 1,524,706,672.12/49,141.65
  6. Step 6: Final answer
    x = 31,026.77

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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.