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Finding the Fourth Proportional to 17,216.71, 25,769.69 and 8,885.37

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Solution

The fourth proportional to 17,216.71, 25,769.69 and 8,885.37 is: 13,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,216.71 : 25,769.69 = 8,885.37 : x
  2. Step 2: Convert to fraction form
    17,216.71/25,769.69 = 8,885.37/x
  3. Step 3: Cross multiply
    17,216.71x = 25,769.69 × 8,885.37
  4. Step 4: Simplify right side
    17,216.71x = 228,973,230.44
  5. Step 5: Solve for x
    x = 228,973,230.44/17,216.71
  6. Step 6: Final answer
    x = 13,299.48

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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.