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Finding the Fourth Proportional to 40,027.86, 55,239.03 and 23,260.86

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Solution

The fourth proportional to 40,027.86, 55,239.03 and 23,260.86 is: 32,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,027.86 : 55,239.03 = 23,260.86 : x
  2. Step 2: Convert to fraction form
    40,027.86/55,239.03 = 23,260.86/x
  3. Step 3: Cross multiply
    40,027.86x = 55,239.03 × 23,260.86
  4. Step 4: Simplify right side
    40,027.86x = 1,284,907,343.37
  5. Step 5: Solve for x
    x = 1,284,907,343.37/40,027.86
  6. Step 6: Final answer
    x = 32,100.33

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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.