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Finding the Fourth Proportional to 29,540.66, 40,752.02 and 19,983.88

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Solution

The fourth proportional to 29,540.66, 40,752.02 and 19,983.88 is: 27,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,540.66 : 40,752.02 = 19,983.88 : x
  2. Step 2: Convert to fraction form
    29,540.66/40,752.02 = 19,983.88/x
  3. Step 3: Cross multiply
    29,540.66x = 40,752.02 × 19,983.88
  4. Step 4: Simplify right side
    29,540.66x = 814,383,173.76
  5. Step 5: Solve for x
    x = 814,383,173.76/29,540.66
  6. Step 6: Final answer
    x = 27,568.21

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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.