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Finding the Fourth Proportional to 54,453.92, 81,629.04 and 17,492

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Solution

The fourth proportional to 54,453.92, 81,629.04 and 17,492 is: 26,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.92 : 81,629.04 = 17,492 : x
  2. Step 2: Convert to fraction form
    54,453.92/81,629.04 = 17,492/x
  3. Step 3: Cross multiply
    54,453.92x = 81,629.04 × 17,492
  4. Step 4: Simplify right side
    54,453.92x = 1,427,855,167.68
  5. Step 5: Solve for x
    x = 1,427,855,167.68/54,453.92
  6. Step 6: Final answer
    x = 26,221.35

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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.