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Finding the Fourth Proportional to 22,998.74, 34,489.29 and 8,956.98

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Solution

The fourth proportional to 22,998.74, 34,489.29 and 8,956.98 is: 13,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,998.74 : 34,489.29 = 8,956.98 : x
  2. Step 2: Convert to fraction form
    22,998.74/34,489.29 = 8,956.98/x
  3. Step 3: Cross multiply
    22,998.74x = 34,489.29 × 8,956.98
  4. Step 4: Simplify right side
    22,998.74x = 308,919,914.33
  5. Step 5: Solve for x
    x = 308,919,914.33/22,998.74
  6. Step 6: Final answer
    x = 13,432.04

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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.