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Finding the Fourth Proportional to 40,079.94, 60,062.40 and 22,512.80

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Solution

The fourth proportional to 40,079.94, 60,062.40 and 22,512.80 is: 33,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.94 : 60,062.40 = 22,512.80 : x
  2. Step 2: Convert to fraction form
    40,079.94/60,062.40 = 22,512.80/x
  3. Step 3: Cross multiply
    40,079.94x = 60,062.40 × 22,512.80
  4. Step 4: Simplify right side
    40,079.94x = 1,352,172,498.41
  5. Step 5: Solve for x
    x = 1,352,172,498.41/40,079.94
  6. Step 6: Final answer
    x = 33,736.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.