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Finding the Fourth Proportional to 50,129.76, 69,174.04 and 29,982.60

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Solution

The fourth proportional to 50,129.76, 69,174.04 and 29,982.60 is: 41,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,129.76 : 69,174.04 = 29,982.60 : x
  2. Step 2: Convert to fraction form
    50,129.76/69,174.04 = 29,982.60/x
  3. Step 3: Cross multiply
    50,129.76x = 69,174.04 × 29,982.60
  4. Step 4: Simplify right side
    50,129.76x = 2,074,017,571.70
  5. Step 5: Solve for x
    x = 2,074,017,571.70/50,129.76
  6. Step 6: Final answer
    x = 41,372.98

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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.