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Finding the Fourth Proportional to 50,676.44, 76,014.66 and 13,740.44

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Solution

The fourth proportional to 50,676.44, 76,014.66 and 13,740.44 is: 20,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,676.44 : 76,014.66 = 13,740.44 : x
  2. Step 2: Convert to fraction form
    50,676.44/76,014.66 = 13,740.44/x
  3. Step 3: Cross multiply
    50,676.44x = 76,014.66 × 13,740.44
  4. Step 4: Simplify right side
    50,676.44x = 1,044,474,874.85
  5. Step 5: Solve for x
    x = 1,044,474,874.85/50,676.44
  6. Step 6: Final answer
    x = 20,610.66

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1.5x scale

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.