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Finding the Fourth Proportional to 50,379.60, 75,705.80 and 27,022.80

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Solution

The fourth proportional to 50,379.60, 75,705.80 and 27,022.80 is: 40,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.60 : 75,705.80 = 27,022.80 : x
  2. Step 2: Convert to fraction form
    50,379.60/75,705.80 = 27,022.80/x
  3. Step 3: Cross multiply
    50,379.60x = 75,705.80 × 27,022.80
  4. Step 4: Simplify right side
    50,379.60x = 2,045,782,692.24
  5. Step 5: Solve for x
    x = 2,045,782,692.24/50,379.60
  6. Step 6: Final answer
    x = 40,607.36

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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.