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Finding the Fourth Proportional to 54,591.60, 81,839.40 and 37,004.40

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Solution

The fourth proportional to 54,591.60, 81,839.40 and 37,004.40 is: 55,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.60 : 81,839.40 = 37,004.40 : x
  2. Step 2: Convert to fraction form
    54,591.60/81,839.40 = 37,004.40/x
  3. Step 3: Cross multiply
    54,591.60x = 81,839.40 × 37,004.40
  4. Step 4: Simplify right side
    54,591.60x = 3,028,417,893.36
  5. Step 5: Solve for x
    x = 3,028,417,893.36/54,591.60
  6. Step 6: Final answer
    x = 55,474.06

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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.