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Finding the Fourth Proportional to 7,207.09, 10,791.09 and 3,737.05

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Solution

The fourth proportional to 7,207.09, 10,791.09 and 3,737.05 is: 5,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.09 : 10,791.09 = 3,737.05 : x
  2. Step 2: Convert to fraction form
    7,207.09/10,791.09 = 3,737.05/x
  3. Step 3: Cross multiply
    7,207.09x = 10,791.09 × 3,737.05
  4. Step 4: Simplify right side
    7,207.09x = 40,326,815.91
  5. Step 5: Solve for x
    x = 40,326,815.91/7,207.09
  6. Step 6: Final answer
    x = 5,595.44

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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.