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Finding the Fourth Proportional to 16,826.31, 25,220.97 and 6,960.24

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Solution

The fourth proportional to 16,826.31, 25,220.97 and 6,960.24 is: 10,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.31 : 25,220.97 = 6,960.24 : x
  2. Step 2: Convert to fraction form
    16,826.31/25,220.97 = 6,960.24/x
  3. Step 3: Cross multiply
    16,826.31x = 25,220.97 × 6,960.24
  4. Step 4: Simplify right side
    16,826.31x = 175,544,004.23
  5. Step 5: Solve for x
    x = 175,544,004.23/16,826.31
  6. Step 6: Final answer
    x = 10,432.71

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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.