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Finding the Fourth Proportional to 61,775.76, 85,250.97 and 33,481.92

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Solution

The fourth proportional to 61,775.76, 85,250.97 and 33,481.92 is: 46,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,775.76 : 85,250.97 = 33,481.92 : x
  2. Step 2: Convert to fraction form
    61,775.76/85,250.97 = 33,481.92/x
  3. Step 3: Cross multiply
    61,775.76x = 85,250.97 × 33,481.92
  4. Step 4: Simplify right side
    61,775.76x = 2,854,366,157.46
  5. Step 5: Solve for x
    x = 2,854,366,157.46/61,775.76
  6. Step 6: Final answer
    x = 46,205.28

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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.