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Finding the Fourth Proportional to 7,516, 10,372.56 and 4,204

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Solution

The fourth proportional to 7,516, 10,372.56 and 4,204 is: 5,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516 : 10,372.56 = 4,204 : x
  2. Step 2: Convert to fraction form
    7,516/10,372.56 = 4,204/x
  3. Step 3: Cross multiply
    7,516x = 10,372.56 × 4,204
  4. Step 4: Simplify right side
    7,516x = 43,606,242.24
  5. Step 5: Solve for x
    x = 43,606,242.24/7,516
  6. Step 6: Final answer
    x = 5,801.79

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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.