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Finding the Fourth Proportional to 29,079.25, 43,609.64 and 9,353.22

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Solution

The fourth proportional to 29,079.25, 43,609.64 and 9,353.22 is: 14,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.25 : 43,609.64 = 9,353.22 : x
  2. Step 2: Convert to fraction form
    29,079.25/43,609.64 = 9,353.22/x
  3. Step 3: Cross multiply
    29,079.25x = 43,609.64 × 9,353.22
  4. Step 4: Simplify right side
    29,079.25x = 407,890,644.65
  5. Step 5: Solve for x
    x = 407,890,644.65/29,079.25
  6. Step 6: Final answer
    x = 14,026.86

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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.