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Finding the Fourth Proportional to 17,144.52, 25,716.77 and 7,276.87

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Solution

The fourth proportional to 17,144.52, 25,716.77 and 7,276.87 is: 10,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.52 : 25,716.77 = 7,276.87 : x
  2. Step 2: Convert to fraction form
    17,144.52/25,716.77 = 7,276.87/x
  3. Step 3: Cross multiply
    17,144.52x = 25,716.77 × 7,276.87
  4. Step 4: Simplify right side
    17,144.52x = 187,137,615.16
  5. Step 5: Solve for x
    x = 187,137,615.16/17,144.52
  6. Step 6: Final answer
    x = 10,915.30

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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.