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Finding the Fourth Proportional to 17,201.25, 25,805.58 and 5,354.78

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Solution

The fourth proportional to 17,201.25, 25,805.58 and 5,354.78 is: 8,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,201.25 : 25,805.58 = 5,354.78 : x
  2. Step 2: Convert to fraction form
    17,201.25/25,805.58 = 5,354.78/x
  3. Step 3: Cross multiply
    17,201.25x = 25,805.58 × 5,354.78
  4. Step 4: Simplify right side
    17,201.25x = 138,183,084.68
  5. Step 5: Solve for x
    x = 138,183,084.68/17,201.25
  6. Step 6: Final answer
    x = 8,033.32

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1.5x scale

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.