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Finding the Fourth Proportional to 7,434.65, 11,149.09 and 3,734.29

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Solution

The fourth proportional to 7,434.65, 11,149.09 and 3,734.29 is: 5,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.65 : 11,149.09 = 3,734.29 : x
  2. Step 2: Convert to fraction form
    7,434.65/11,149.09 = 3,734.29/x
  3. Step 3: Cross multiply
    7,434.65x = 11,149.09 × 3,734.29
  4. Step 4: Simplify right side
    7,434.65x = 41,633,939.90
  5. Step 5: Solve for x
    x = 41,633,939.90/7,434.65
  6. Step 6: Final answer
    x = 5,599.98

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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.