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Finding the Fourth Proportional to 62,273.49, 85,939.31 and 35,419.86

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Solution

The fourth proportional to 62,273.49, 85,939.31 and 35,419.86 is: 48,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,273.49 : 85,939.31 = 35,419.86 : x
  2. Step 2: Convert to fraction form
    62,273.49/85,939.31 = 35,419.86/x
  3. Step 3: Cross multiply
    62,273.49x = 85,939.31 × 35,419.86
  4. Step 4: Simplify right side
    62,273.49x = 3,043,958,151.60
  5. Step 5: Solve for x
    x = 3,043,958,151.60/62,273.49
  6. Step 6: Final answer
    x = 48,880.49

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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.