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Finding the Fourth Proportional to 50,763.60, 75,972.60 and 44,542.80

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Solution

The fourth proportional to 50,763.60, 75,972.60 and 44,542.80 is: 66,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.60 : 75,972.60 = 44,542.80 : x
  2. Step 2: Convert to fraction form
    50,763.60/75,972.60 = 44,542.80/x
  3. Step 3: Cross multiply
    50,763.60x = 75,972.60 × 44,542.80
  4. Step 4: Simplify right side
    50,763.60x = 3,384,032,327.28
  5. Step 5: Solve for x
    x = 3,384,032,327.28/50,763.60
  6. Step 6: Final answer
    x = 66,662.58

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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.