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Finding the Fourth Proportional to 16,790.22, 23,171.09 and 9,237.11

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Solution

The fourth proportional to 16,790.22, 23,171.09 and 9,237.11 is: 12,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.22 : 23,171.09 = 9,237.11 : x
  2. Step 2: Convert to fraction form
    16,790.22/23,171.09 = 9,237.11/x
  3. Step 3: Cross multiply
    16,790.22x = 23,171.09 × 9,237.11
  4. Step 4: Simplify right side
    16,790.22x = 214,033,745.11
  5. Step 5: Solve for x
    x = 214,033,745.11/16,790.22
  6. Step 6: Final answer
    x = 12,747.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.