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Finding the Fourth Proportional to 26,551.16, 39,833.22 and 8,083.16

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Solution

The fourth proportional to 26,551.16, 39,833.22 and 8,083.16 is: 12,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.16 : 39,833.22 = 8,083.16 : x
  2. Step 2: Convert to fraction form
    26,551.16/39,833.22 = 8,083.16/x
  3. Step 3: Cross multiply
    26,551.16x = 39,833.22 × 8,083.16
  4. Step 4: Simplify right side
    26,551.16x = 321,978,290.58
  5. Step 5: Solve for x
    x = 321,978,290.58/26,551.16
  6. Step 6: Final answer
    x = 12,126.71

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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.