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Finding the Fourth Proportional to 61,663.50, 85,096.25 and 33,369.80

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Solution

The fourth proportional to 61,663.50, 85,096.25 and 33,369.80 is: 46,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.50 : 85,096.25 = 33,369.80 : x
  2. Step 2: Convert to fraction form
    61,663.50/85,096.25 = 33,369.80/x
  3. Step 3: Cross multiply
    61,663.50x = 85,096.25 × 33,369.80
  4. Step 4: Simplify right side
    61,663.50x = 2,839,644,250.92
  5. Step 5: Solve for x
    x = 2,839,644,250.92/61,663.50
  6. Step 6: Final answer
    x = 46,050.65

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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.