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Finding the Fourth Proportional to 39,713.60, 54,792.48 and 22,940.48

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Solution

The fourth proportional to 39,713.60, 54,792.48 and 22,940.48 is: 31,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.60 : 54,792.48 = 22,940.48 : x
  2. Step 2: Convert to fraction form
    39,713.60/54,792.48 = 22,940.48/x
  3. Step 3: Cross multiply
    39,713.60x = 54,792.48 × 22,940.48
  4. Step 4: Simplify right side
    39,713.60x = 1,256,965,791.59
  5. Step 5: Solve for x
    x = 1,256,965,791.59/39,713.60
  6. Step 6: Final answer
    x = 31,650.76

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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.