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Finding the Fourth Proportional to 62,291.87, 85,965.60 and 35,077.31

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Solution

The fourth proportional to 62,291.87, 85,965.60 and 35,077.31 is: 48,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,291.87 : 85,965.60 = 35,077.31 : x
  2. Step 2: Convert to fraction form
    62,291.87/85,965.60 = 35,077.31/x
  3. Step 3: Cross multiply
    62,291.87x = 85,965.60 × 35,077.31
  4. Step 4: Simplify right side
    62,291.87x = 3,015,442,000.54
  5. Step 5: Solve for x
    x = 3,015,442,000.54/62,291.87
  6. Step 6: Final answer
    x = 48,408.28

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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.