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Finding the Fourth Proportional to 61,902.56, 85,424.69 and 35,044.37

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Solution

The fourth proportional to 61,902.56, 85,424.69 and 35,044.37 is: 48,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,902.56 : 85,424.69 = 35,044.37 : x
  2. Step 2: Convert to fraction form
    61,902.56/85,424.69 = 35,044.37/x
  3. Step 3: Cross multiply
    61,902.56x = 85,424.69 × 35,044.37
  4. Step 4: Simplify right side
    61,902.56x = 2,993,653,841.15
  5. Step 5: Solve for x
    x = 2,993,653,841.15/61,902.56
  6. Step 6: Final answer
    x = 48,360.75

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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.