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Finding the Fourth Proportional to 29,262.46, 40,381.91 and 15,833.42

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Solution

The fourth proportional to 29,262.46, 40,381.91 and 15,833.42 is: 21,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,262.46 : 40,381.91 = 15,833.42 : x
  2. Step 2: Convert to fraction form
    29,262.46/40,381.91 = 15,833.42/x
  3. Step 3: Cross multiply
    29,262.46x = 40,381.91 × 15,833.42
  4. Step 4: Simplify right side
    29,262.46x = 639,383,741.43
  5. Step 5: Solve for x
    x = 639,383,741.43/29,262.46
  6. Step 6: Final answer
    x = 21,849.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.