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Finding the Fourth Proportional to 61,016.90, 84,200.84 and 35,523.99

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Solution

The fourth proportional to 61,016.90, 84,200.84 and 35,523.99 is: 49,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,016.90 : 84,200.84 = 35,523.99 : x
  2. Step 2: Convert to fraction form
    61,016.90/84,200.84 = 35,523.99/x
  3. Step 3: Cross multiply
    61,016.90x = 84,200.84 × 35,523.99
  4. Step 4: Simplify right side
    61,016.90x = 2,991,149,620.53
  5. Step 5: Solve for x
    x = 2,991,149,620.53/61,016.90
  6. Step 6: Final answer
    x = 49,021.66

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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.