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Finding the Fourth Proportional to 17,576.80, 26,329.86 and 8,203.88

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Solution

The fourth proportional to 17,576.80, 26,329.86 and 8,203.88 is: 12,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,576.80 : 26,329.86 = 8,203.88 : x
  2. Step 2: Convert to fraction form
    17,576.80/26,329.86 = 8,203.88/x
  3. Step 3: Cross multiply
    17,576.80x = 26,329.86 × 8,203.88
  4. Step 4: Simplify right side
    17,576.80x = 216,007,077.68
  5. Step 5: Solve for x
    x = 216,007,077.68/17,576.80
  6. Step 6: Final answer
    x = 12,289.33

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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.