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Finding the Fourth Proportional to 7,464.50, 11,174.04 and 4,979.42

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Solution

The fourth proportional to 7,464.50, 11,174.04 and 4,979.42 is: 7,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.50 : 11,174.04 = 4,979.42 : x
  2. Step 2: Convert to fraction form
    7,464.50/11,174.04 = 4,979.42/x
  3. Step 3: Cross multiply
    7,464.50x = 11,174.04 × 4,979.42
  4. Step 4: Simplify right side
    7,464.50x = 55,640,238.26
  5. Step 5: Solve for x
    x = 55,640,238.26/7,464.50
  6. Step 6: Final answer
    x = 7,453.98

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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.