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Finding the Fourth Proportional to 55,399.56, 76,451.48 and 31,526.43

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Solution

The fourth proportional to 55,399.56, 76,451.48 and 31,526.43 is: 43,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,399.56 : 76,451.48 = 31,526.43 : x
  2. Step 2: Convert to fraction form
    55,399.56/76,451.48 = 31,526.43/x
  3. Step 3: Cross multiply
    55,399.56x = 76,451.48 × 31,526.43
  4. Step 4: Simplify right side
    55,399.56x = 2,410,242,232.62
  5. Step 5: Solve for x
    x = 2,410,242,232.62/55,399.56
  6. Step 6: Final answer
    x = 43,506.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.