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Finding the Fourth Proportional to 61,765.81, 85,236.81 and 33,471.50

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Solution

The fourth proportional to 61,765.81, 85,236.81 and 33,471.50 is: 46,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,765.81 : 85,236.81 = 33,471.50 : x
  2. Step 2: Convert to fraction form
    61,765.81/85,236.81 = 33,471.50/x
  3. Step 3: Cross multiply
    61,765.81x = 85,236.81 × 33,471.50
  4. Step 4: Simplify right side
    61,765.81x = 2,853,003,756.50
  5. Step 5: Solve for x
    x = 2,853,003,756.50/61,765.81
  6. Step 6: Final answer
    x = 46,190.66

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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.