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Finding the Fourth Proportional to 17,004.76, 25,509.77 and 8,680.26

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Solution

The fourth proportional to 17,004.76, 25,509.77 and 8,680.26 is: 13,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,004.76 : 25,509.77 = 8,680.26 : x
  2. Step 2: Convert to fraction form
    17,004.76/25,509.77 = 8,680.26/x
  3. Step 3: Cross multiply
    17,004.76x = 25,509.77 × 8,680.26
  4. Step 4: Simplify right side
    17,004.76x = 221,431,436.14
  5. Step 5: Solve for x
    x = 221,431,436.14/17,004.76
  6. Step 6: Final answer
    x = 13,021.73

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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.