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Finding the Fourth Proportional to 17,149.77, 25,716.02 and 7,283.61

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Solution

The fourth proportional to 17,149.77, 25,716.02 and 7,283.61 is: 10,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.77 : 25,716.02 = 7,283.61 : x
  2. Step 2: Convert to fraction form
    17,149.77/25,716.02 = 7,283.61/x
  3. Step 3: Cross multiply
    17,149.77x = 25,716.02 × 7,283.61
  4. Step 4: Simplify right side
    17,149.77x = 187,305,424.01
  5. Step 5: Solve for x
    x = 187,305,424.01/17,149.77
  6. Step 6: Final answer
    x = 10,921.75

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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.