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Finding the Fourth Proportional to 61,649.96, 85,076.34 and 33,355.04

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Solution

The fourth proportional to 61,649.96, 85,076.34 and 33,355.04 is: 46,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,649.96 : 85,076.34 = 33,355.04 : x
  2. Step 2: Convert to fraction form
    61,649.96/85,076.34 = 33,355.04/x
  3. Step 3: Cross multiply
    61,649.96x = 85,076.34 × 33,355.04
  4. Step 4: Simplify right side
    61,649.96x = 2,837,724,723.75
  5. Step 5: Solve for x
    x = 2,837,724,723.75/61,649.96
  6. Step 6: Final answer
    x = 46,029.63

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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.