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Finding the Fourth Proportional to 21,952.62, 32,958.09 and 12,096.54

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Solution

The fourth proportional to 21,952.62, 32,958.09 and 12,096.54 is: 18,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.62 : 32,958.09 = 12,096.54 : x
  2. Step 2: Convert to fraction form
    21,952.62/32,958.09 = 12,096.54/x
  3. Step 3: Cross multiply
    21,952.62x = 32,958.09 × 12,096.54
  4. Step 4: Simplify right side
    21,952.62x = 398,678,854.01
  5. Step 5: Solve for x
    x = 398,678,854.01/21,952.62
  6. Step 6: Final answer
    x = 18,160.88

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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.