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Finding the Fourth Proportional to 41,651.25, 57,478.77 and 22,788.78

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Solution

The fourth proportional to 41,651.25, 57,478.77 and 22,788.78 is: 31,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,651.25 : 57,478.77 = 22,788.78 : x
  2. Step 2: Convert to fraction form
    41,651.25/57,478.77 = 22,788.78/x
  3. Step 3: Cross multiply
    41,651.25x = 57,478.77 × 22,788.78
  4. Step 4: Simplify right side
    41,651.25x = 1,309,871,044.20
  5. Step 5: Solve for x
    x = 1,309,871,044.20/41,651.25
  6. Step 6: Final answer
    x = 31,448.54

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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.