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Finding the Fourth Proportional to 40,373.44, 55,713.90 and 22,469.20

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Solution

The fourth proportional to 40,373.44, 55,713.90 and 22,469.20 is: 31,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,373.44 : 55,713.90 = 22,469.20 : x
  2. Step 2: Convert to fraction form
    40,373.44/55,713.90 = 22,469.20/x
  3. Step 3: Cross multiply
    40,373.44x = 55,713.90 × 22,469.20
  4. Step 4: Simplify right side
    40,373.44x = 1,251,846,761.88
  5. Step 5: Solve for x
    x = 1,251,846,761.88/40,373.44
  6. Step 6: Final answer
    x = 31,006.69

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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.