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Finding the Fourth Proportional to 54,051.80, 81,057.04 and 25,964.04

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Solution

The fourth proportional to 54,051.80, 81,057.04 and 25,964.04 is: 38,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,051.80 : 81,057.04 = 25,964.04 : x
  2. Step 2: Convert to fraction form
    54,051.80/81,057.04 = 25,964.04/x
  3. Step 3: Cross multiply
    54,051.80x = 81,057.04 × 25,964.04
  4. Step 4: Simplify right side
    54,051.80x = 2,104,568,228.84
  5. Step 5: Solve for x
    x = 2,104,568,228.84/54,051.80
  6. Step 6: Final answer
    x = 38,936.14

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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.