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Finding the Fourth Proportional to 61,656.24, 85,086 and 33,361.86

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Solution

The fourth proportional to 61,656.24, 85,086 and 33,361.86 is: 46,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,656.24 : 85,086 = 33,361.86 : x
  2. Step 2: Convert to fraction form
    61,656.24/85,086 = 33,361.86/x
  3. Step 3: Cross multiply
    61,656.24x = 85,086 × 33,361.86
  4. Step 4: Simplify right side
    61,656.24x = 2,838,627,219.96
  5. Step 5: Solve for x
    x = 2,838,627,219.96/61,656.24
  6. Step 6: Final answer
    x = 46,039.58

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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.