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Finding the Fourth Proportional to 50,545, 75,814.38 and 15,481.96

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Solution

The fourth proportional to 50,545, 75,814.38 and 15,481.96 is: 23,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,545 : 75,814.38 = 15,481.96 : x
  2. Step 2: Convert to fraction form
    50,545/75,814.38 = 15,481.96/x
  3. Step 3: Cross multiply
    50,545x = 75,814.38 × 15,481.96
  4. Step 4: Simplify right side
    50,545x = 1,173,755,198.58
  5. Step 5: Solve for x
    x = 1,173,755,198.58/50,545
  6. Step 6: Final answer
    x = 23,221.98

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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.