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Finding the Fourth Proportional to 50,855.94, 70,183.59 and 31,747.03

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Solution

The fourth proportional to 50,855.94, 70,183.59 and 31,747.03 is: 43,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.94 : 70,183.59 = 31,747.03 : x
  2. Step 2: Convert to fraction form
    50,855.94/70,183.59 = 31,747.03/x
  3. Step 3: Cross multiply
    50,855.94x = 70,183.59 × 31,747.03
  4. Step 4: Simplify right side
    50,855.94x = 2,228,120,537.24
  5. Step 5: Solve for x
    x = 2,228,120,537.24/50,855.94
  6. Step 6: Final answer
    x = 43,812.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.