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Finding the Fourth Proportional to 50,455.44, 69,621.24 and 29,230.80

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Solution

The fourth proportional to 50,455.44, 69,621.24 and 29,230.80 is: 40,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,455.44 : 69,621.24 = 29,230.80 : x
  2. Step 2: Convert to fraction form
    50,455.44/69,621.24 = 29,230.80/x
  3. Step 3: Cross multiply
    50,455.44x = 69,621.24 × 29,230.80
  4. Step 4: Simplify right side
    50,455.44x = 2,035,084,542.19
  5. Step 5: Solve for x
    x = 2,035,084,542.19/50,455.44
  6. Step 6: Final answer
    x = 40,334.29

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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.