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Finding the Fourth Proportional to 29,081.34, 43,622.01 and 9,359.90

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Solution

The fourth proportional to 29,081.34, 43,622.01 and 9,359.90 is: 14,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.34 : 43,622.01 = 9,359.90 : x
  2. Step 2: Convert to fraction form
    29,081.34/43,622.01 = 9,359.90/x
  3. Step 3: Cross multiply
    29,081.34x = 43,622.01 × 9,359.90
  4. Step 4: Simplify right side
    29,081.34x = 408,297,433.29
  5. Step 5: Solve for x
    x = 408,297,433.29/29,081.34
  6. Step 6: Final answer
    x = 14,039.84

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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.