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Finding the Fourth Proportional to 54,056.52, 81,063.90 and 25,958.68

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Solution

The fourth proportional to 54,056.52, 81,063.90 and 25,958.68 is: 38,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,056.52 : 81,063.90 = 25,958.68 : x
  2. Step 2: Convert to fraction form
    54,056.52/81,063.90 = 25,958.68/x
  3. Step 3: Cross multiply
    54,056.52x = 81,063.90 × 25,958.68
  4. Step 4: Simplify right side
    54,056.52x = 2,104,311,839.65
  5. Step 5: Solve for x
    x = 2,104,311,839.65/54,056.52
  6. Step 6: Final answer
    x = 38,927.99

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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.