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Finding the Fourth Proportional to 38,657.03, 57,935.98 and 33,638.54

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Solution

The fourth proportional to 38,657.03, 57,935.98 and 33,638.54 is: 50,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.03 : 57,935.98 = 33,638.54 : x
  2. Step 2: Convert to fraction form
    38,657.03/57,935.98 = 33,638.54/x
  3. Step 3: Cross multiply
    38,657.03x = 57,935.98 × 33,638.54
  4. Step 4: Simplify right side
    38,657.03x = 1,948,881,406.89
  5. Step 5: Solve for x
    x = 1,948,881,406.89/38,657.03
  6. Step 6: Final answer
    x = 50,414.68

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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.