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Finding the Fourth Proportional to 17,268.41, 25,910.48 and 8,378.94

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Solution

The fourth proportional to 17,268.41, 25,910.48 and 8,378.94 is: 12,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,268.41 : 25,910.48 = 8,378.94 : x
  2. Step 2: Convert to fraction form
    17,268.41/25,910.48 = 8,378.94/x
  3. Step 3: Cross multiply
    17,268.41x = 25,910.48 × 8,378.94
  4. Step 4: Simplify right side
    17,268.41x = 217,102,357.29
  5. Step 5: Solve for x
    x = 217,102,357.29/17,268.41
  6. Step 6: Final answer
    x = 12,572.23

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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.