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Finding the Fourth Proportional to 41,448.48, 57,256.80 and 39,912.48

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Solution

The fourth proportional to 41,448.48, 57,256.80 and 39,912.48 is: 55,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,448.48 : 57,256.80 = 39,912.48 : x
  2. Step 2: Convert to fraction form
    41,448.48/57,256.80 = 39,912.48/x
  3. Step 3: Cross multiply
    41,448.48x = 57,256.80 × 39,912.48
  4. Step 4: Simplify right side
    41,448.48x = 2,285,260,884.86
  5. Step 5: Solve for x
    x = 2,285,260,884.86/41,448.48
  6. Step 6: Final answer
    x = 55,134.97

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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.