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Finding the Fourth Proportional to 47,449.97, 65,480.94 and 25,939.80

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Solution

The fourth proportional to 47,449.97, 65,480.94 and 25,939.80 is: 35,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,449.97 : 65,480.94 = 25,939.80 : x
  2. Step 2: Convert to fraction form
    47,449.97/65,480.94 = 25,939.80/x
  3. Step 3: Cross multiply
    47,449.97x = 65,480.94 × 25,939.80
  4. Step 4: Simplify right side
    47,449.97x = 1,698,562,487.41
  5. Step 5: Solve for x
    x = 1,698,562,487.41/47,449.97
  6. Step 6: Final answer
    x = 35,796.92

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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.