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Finding the Fourth Proportional to 50,933.20, 76,399.80 and 37,811.20

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Solution

The fourth proportional to 50,933.20, 76,399.80 and 37,811.20 is: 56,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,933.20 : 76,399.80 = 37,811.20 : x
  2. Step 2: Convert to fraction form
    50,933.20/76,399.80 = 37,811.20/x
  3. Step 3: Cross multiply
    50,933.20x = 76,399.80 × 37,811.20
  4. Step 4: Simplify right side
    50,933.20x = 2,888,768,117.76
  5. Step 5: Solve for x
    x = 2,888,768,117.76/50,933.20
  6. Step 6: Final answer
    x = 56,716.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.