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Finding the Fourth Proportional to 17,004.11, 25,513.86 and 8,679.83

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Solution

The fourth proportional to 17,004.11, 25,513.86 and 8,679.83 is: 13,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,004.11 : 25,513.86 = 8,679.83 : x
  2. Step 2: Convert to fraction form
    17,004.11/25,513.86 = 8,679.83/x
  3. Step 3: Cross multiply
    17,004.11x = 25,513.86 × 8,679.83
  4. Step 4: Simplify right side
    17,004.11x = 221,455,967.44
  5. Step 5: Solve for x
    x = 221,455,967.44/17,004.11
  6. Step 6: Final answer
    x = 13,023.67

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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.