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Finding the Fourth Proportional to 45,425.42, 68,149.47 and 15,843.68

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Solution

The fourth proportional to 45,425.42, 68,149.47 and 15,843.68 is: 23,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.42 : 68,149.47 = 15,843.68 : x
  2. Step 2: Convert to fraction form
    45,425.42/68,149.47 = 15,843.68/x
  3. Step 3: Cross multiply
    45,425.42x = 68,149.47 × 15,843.68
  4. Step 4: Simplify right side
    45,425.42x = 1,079,738,604.83
  5. Step 5: Solve for x
    x = 1,079,738,604.83/45,425.42
  6. Step 6: Final answer
    x = 23,769.48

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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.