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Finding the Fourth Proportional to 10,808.73, 16,213.20 and 3,017.52

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Solution

The fourth proportional to 10,808.73, 16,213.20 and 3,017.52 is: 4,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.73 : 16,213.20 = 3,017.52 : x
  2. Step 2: Convert to fraction form
    10,808.73/16,213.20 = 3,017.52/x
  3. Step 3: Cross multiply
    10,808.73x = 16,213.20 × 3,017.52
  4. Step 4: Simplify right side
    10,808.73x = 48,923,655.26
  5. Step 5: Solve for x
    x = 48,923,655.26/10,808.73
  6. Step 6: Final answer
    x = 4,526.31

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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.