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Finding the Fourth Proportional to 34,182.48, 51,273.48 and 20,676.28

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Solution

The fourth proportional to 34,182.48, 51,273.48 and 20,676.28 is: 31,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,182.48 : 51,273.48 = 20,676.28 : x
  2. Step 2: Convert to fraction form
    34,182.48/51,273.48 = 20,676.28/x
  3. Step 3: Cross multiply
    34,182.48x = 51,273.48 × 20,676.28
  4. Step 4: Simplify right side
    34,182.48x = 1,060,144,829.05
  5. Step 5: Solve for x
    x = 1,060,144,829.05/34,182.48
  6. Step 6: Final answer
    x = 31,014.27

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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.