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Finding the Fourth Proportional to 61,765.56, 85,236.47 and 33,471.26

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Solution

The fourth proportional to 61,765.56, 85,236.47 and 33,471.26 is: 46,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,765.56 : 85,236.47 = 33,471.26 : x
  2. Step 2: Convert to fraction form
    61,765.56/85,236.47 = 33,471.26/x
  3. Step 3: Cross multiply
    61,765.56x = 85,236.47 × 33,471.26
  4. Step 4: Simplify right side
    61,765.56x = 2,852,971,455.31
  5. Step 5: Solve for x
    x = 2,852,971,455.31/61,765.56
  6. Step 6: Final answer
    x = 46,190.33

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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.