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Finding the Fourth Proportional to 10,808.88, 16,207.92 and 4,960.50

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Solution

The fourth proportional to 10,808.88, 16,207.92 and 4,960.50 is: 7,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.88 : 16,207.92 = 4,960.50 : x
  2. Step 2: Convert to fraction form
    10,808.88/16,207.92 = 4,960.50/x
  3. Step 3: Cross multiply
    10,808.88x = 16,207.92 × 4,960.50
  4. Step 4: Simplify right side
    10,808.88x = 80,399,387.16
  5. Step 5: Solve for x
    x = 80,399,387.16/10,808.88
  6. Step 6: Final answer
    x = 7,438.27

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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.