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Finding the Fourth Proportional to 17,043.25, 25,563.21 and 5,354.41

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Solution

The fourth proportional to 17,043.25, 25,563.21 and 5,354.41 is: 8,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,043.25 : 25,563.21 = 5,354.41 : x
  2. Step 2: Convert to fraction form
    17,043.25/25,563.21 = 5,354.41/x
  3. Step 3: Cross multiply
    17,043.25x = 25,563.21 × 5,354.41
  4. Step 4: Simplify right side
    17,043.25x = 136,875,907.26
  5. Step 5: Solve for x
    x = 136,875,907.26/17,043.25
  6. Step 6: Final answer
    x = 8,031.09

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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.