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Finding the Fourth Proportional to 7,469.62, 10,308 and 4,112.44

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Solution

The fourth proportional to 7,469.62, 10,308 and 4,112.44 is: 5,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.62 : 10,308 = 4,112.44 : x
  2. Step 2: Convert to fraction form
    7,469.62/10,308 = 4,112.44/x
  3. Step 3: Cross multiply
    7,469.62x = 10,308 × 4,112.44
  4. Step 4: Simplify right side
    7,469.62x = 42,391,031.52
  5. Step 5: Solve for x
    x = 42,391,031.52/7,469.62
  6. Step 6: Final answer
    x = 5,675.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.