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Finding the Fourth Proportional to 54,672.84, 81,980.89 and 25,065.18

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Solution

The fourth proportional to 54,672.84, 81,980.89 and 25,065.18 is: 37,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.84 : 81,980.89 = 25,065.18 : x
  2. Step 2: Convert to fraction form
    54,672.84/81,980.89 = 25,065.18/x
  3. Step 3: Cross multiply
    54,672.84x = 81,980.89 × 25,065.18
  4. Step 4: Simplify right side
    54,672.84x = 2,054,865,764.41
  5. Step 5: Solve for x
    x = 2,054,865,764.41/54,672.84
  6. Step 6: Final answer
    x = 37,584.76

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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.