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Finding the Fourth Proportional to 31,304.38, 43,199.04 and 17,156.92

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Solution

The fourth proportional to 31,304.38, 43,199.04 and 17,156.92 is: 23,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.38 : 43,199.04 = 17,156.92 : x
  2. Step 2: Convert to fraction form
    31,304.38/43,199.04 = 17,156.92/x
  3. Step 3: Cross multiply
    31,304.38x = 43,199.04 × 17,156.92
  4. Step 4: Simplify right side
    31,304.38x = 741,162,473.36
  5. Step 5: Solve for x
    x = 741,162,473.36/31,304.38
  6. Step 6: Final answer
    x = 23,676.00

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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.