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Finding the Fourth Proportional to 54,482.87, 81,724.44 and 17,043.19

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Solution

The fourth proportional to 54,482.87, 81,724.44 and 17,043.19 is: 25,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,482.87 : 81,724.44 = 17,043.19 : x
  2. Step 2: Convert to fraction form
    54,482.87/81,724.44 = 17,043.19/x
  3. Step 3: Cross multiply
    54,482.87x = 81,724.44 × 17,043.19
  4. Step 4: Simplify right side
    54,482.87x = 1,392,845,158.56
  5. Step 5: Solve for x
    x = 1,392,845,158.56/54,482.87
  6. Step 6: Final answer
    x = 25,564.83

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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.