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Finding the Fourth Proportional to 61,939.96, 85,488.42 and 36,804.04

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Solution

The fourth proportional to 61,939.96, 85,488.42 and 36,804.04 is: 50,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,939.96 : 85,488.42 = 36,804.04 : x
  2. Step 2: Convert to fraction form
    61,939.96/85,488.42 = 36,804.04/x
  3. Step 3: Cross multiply
    61,939.96x = 85,488.42 × 36,804.04
  4. Step 4: Simplify right side
    61,939.96x = 3,146,319,229.22
  5. Step 5: Solve for x
    x = 3,146,319,229.22/61,939.96
  6. Step 6: Final answer
    x = 50,796.27

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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.