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Finding the Fourth Proportional to 62,200.78, 85,837.06 and 33,906.46

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Solution

The fourth proportional to 62,200.78, 85,837.06 and 33,906.46 is: 46,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,200.78 : 85,837.06 = 33,906.46 : x
  2. Step 2: Convert to fraction form
    62,200.78/85,837.06 = 33,906.46/x
  3. Step 3: Cross multiply
    62,200.78x = 85,837.06 × 33,906.46
  4. Step 4: Simplify right side
    62,200.78x = 2,910,430,841.41
  5. Step 5: Solve for x
    x = 2,910,430,841.41/62,200.78
  6. Step 6: Final answer
    x = 46,790.91

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1.5x scale

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.