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Finding the Fourth Proportional to 7,369.58, 11,055 and 2,439.08

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Solution

The fourth proportional to 7,369.58, 11,055 and 2,439.08 is: 3,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.58 : 11,055 = 2,439.08 : x
  2. Step 2: Convert to fraction form
    7,369.58/11,055 = 2,439.08/x
  3. Step 3: Cross multiply
    7,369.58x = 11,055 × 2,439.08
  4. Step 4: Simplify right side
    7,369.58x = 26,964,029.40
  5. Step 5: Solve for x
    x = 26,964,029.40/7,369.58
  6. Step 6: Final answer
    x = 3,658.83

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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.