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Finding the Fourth Proportional to 54,986.58, 82,484.49 and 17,551.99

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Solution

The fourth proportional to 54,986.58, 82,484.49 and 17,551.99 is: 26,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.58 : 82,484.49 = 17,551.99 : x
  2. Step 2: Convert to fraction form
    54,986.58/82,484.49 = 17,551.99/x
  3. Step 3: Cross multiply
    54,986.58x = 82,484.49 × 17,551.99
  4. Step 4: Simplify right side
    54,986.58x = 1,447,767,112.56
  5. Step 5: Solve for x
    x = 1,447,767,112.56/54,986.58
  6. Step 6: Final answer
    x = 26,329.46

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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.