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Finding the Fourth Proportional to 62,169, 85,793.22 and 33,874.70

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Solution

The fourth proportional to 62,169, 85,793.22 and 33,874.70 is: 46,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,169 : 85,793.22 = 33,874.70 : x
  2. Step 2: Convert to fraction form
    62,169/85,793.22 = 33,874.70/x
  3. Step 3: Cross multiply
    62,169x = 85,793.22 × 33,874.70
  4. Step 4: Simplify right side
    62,169x = 2,906,219,160.57
  5. Step 5: Solve for x
    x = 2,906,219,160.57/62,169
  6. Step 6: Final answer
    x = 46,747.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.