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Finding the Fourth Proportional to 26,129.40, 39,150.90 and 22,241.40

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Solution

The fourth proportional to 26,129.40, 39,150.90 and 22,241.40 is: 33,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.40 : 39,150.90 = 22,241.40 : x
  2. Step 2: Convert to fraction form
    26,129.40/39,150.90 = 22,241.40/x
  3. Step 3: Cross multiply
    26,129.40x = 39,150.90 × 22,241.40
  4. Step 4: Simplify right side
    26,129.40x = 870,770,827.26
  5. Step 5: Solve for x
    x = 870,770,827.26/26,129.40
  6. Step 6: Final answer
    x = 33,325.33

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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.