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Finding the Fourth Proportional to 40,081.46, 55,302.46 and 25,917.26

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Solution

The fourth proportional to 40,081.46, 55,302.46 and 25,917.26 is: 35,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,081.46 : 55,302.46 = 25,917.26 : x
  2. Step 2: Convert to fraction form
    40,081.46/55,302.46 = 25,917.26/x
  3. Step 3: Cross multiply
    40,081.46x = 55,302.46 × 25,917.26
  4. Step 4: Simplify right side
    40,081.46x = 1,433,288,234.46
  5. Step 5: Solve for x
    x = 1,433,288,234.46/40,081.46
  6. Step 6: Final answer
    x = 35,759.38

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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.