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Finding the Fourth Proportional to 61,893.89, 85,415.61 and 35,035.84

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Solution

The fourth proportional to 61,893.89, 85,415.61 and 35,035.84 is: 48,350.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,893.89 : 85,415.61 = 35,035.84 : x
  2. Step 2: Convert to fraction form
    61,893.89/85,415.61 = 35,035.84/x
  3. Step 3: Cross multiply
    61,893.89x = 85,415.61 × 35,035.84
  4. Step 4: Simplify right side
    61,893.89x = 2,992,607,883.62
  5. Step 5: Solve for x
    x = 2,992,607,883.62/61,893.89
  6. Step 6: Final answer
    x = 48,350.62

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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.