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Finding the Fourth Proportional to 17,073.75, 25,610.64 and 4,761.75

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Solution

The fourth proportional to 17,073.75, 25,610.64 and 4,761.75 is: 7,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073.75 : 25,610.64 = 4,761.75 : x
  2. Step 2: Convert to fraction form
    17,073.75/25,610.64 = 4,761.75/x
  3. Step 3: Cross multiply
    17,073.75x = 25,610.64 × 4,761.75
  4. Step 4: Simplify right side
    17,073.75x = 121,951,465.02
  5. Step 5: Solve for x
    x = 121,951,465.02/17,073.75
  6. Step 6: Final answer
    x = 7,142.63

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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.