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Finding the Fourth Proportional to 61,169.84, 84,420.60 and 36,027.44

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Solution

The fourth proportional to 61,169.84, 84,420.60 and 36,027.44 is: 49,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,169.84 : 84,420.60 = 36,027.44 : x
  2. Step 2: Convert to fraction form
    61,169.84/84,420.60 = 36,027.44/x
  3. Step 3: Cross multiply
    61,169.84x = 84,420.60 × 36,027.44
  4. Step 4: Simplify right side
    61,169.84x = 3,041,458,101.26
  5. Step 5: Solve for x
    x = 3,041,458,101.26/61,169.84
  6. Step 6: Final answer
    x = 49,721.53

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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.