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Finding the Fourth Proportional to 17,157.09, 25,745.46 and 9,259.59

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Solution

The fourth proportional to 17,157.09, 25,745.46 and 9,259.59 is: 13,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.09 : 25,745.46 = 9,259.59 : x
  2. Step 2: Convert to fraction form
    17,157.09/25,745.46 = 9,259.59/x
  3. Step 3: Cross multiply
    17,157.09x = 25,745.46 × 9,259.59
  4. Step 4: Simplify right side
    17,157.09x = 238,392,403.96
  5. Step 5: Solve for x
    x = 238,392,403.96/17,157.09
  6. Step 6: Final answer
    x = 13,894.69

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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.