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Finding the Fourth Proportional to 10,687.52, 16,031.52 and 3,667.46

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Solution

The fourth proportional to 10,687.52, 16,031.52 and 3,667.46 is: 5,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.52 : 16,031.52 = 3,667.46 : x
  2. Step 2: Convert to fraction form
    10,687.52/16,031.52 = 3,667.46/x
  3. Step 3: Cross multiply
    10,687.52x = 16,031.52 × 3,667.46
  4. Step 4: Simplify right side
    10,687.52x = 58,794,958.34
  5. Step 5: Solve for x
    x = 58,794,958.34/10,687.52
  6. Step 6: Final answer
    x = 5,501.27

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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.