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Finding the Fourth Proportional to 10,982.66, 16,480.30 and 10,893.50

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Solution

The fourth proportional to 10,982.66, 16,480.30 and 10,893.50 is: 16,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.66 : 16,480.30 = 10,893.50 : x
  2. Step 2: Convert to fraction form
    10,982.66/16,480.30 = 10,893.50/x
  3. Step 3: Cross multiply
    10,982.66x = 16,480.30 × 10,893.50
  4. Step 4: Simplify right side
    10,982.66x = 179,528,148.05
  5. Step 5: Solve for x
    x = 179,528,148.05/10,982.66
  6. Step 6: Final answer
    x = 16,346.51

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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.