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Finding the Fourth Proportional to 33,100.60, 49,652.52 and 10,913.90

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Solution

The fourth proportional to 33,100.60, 49,652.52 and 10,913.90 is: 16,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.60 : 49,652.52 = 10,913.90 : x
  2. Step 2: Convert to fraction form
    33,100.60/49,652.52 = 10,913.90/x
  3. Step 3: Cross multiply
    33,100.60x = 49,652.52 × 10,913.90
  4. Step 4: Simplify right side
    33,100.60x = 541,902,638.03
  5. Step 5: Solve for x
    x = 541,902,638.03/33,100.60
  6. Step 6: Final answer
    x = 16,371.38

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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.