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Finding the Fourth Proportional to 61,505.44, 84,871.13 and 36,010.49

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Solution

The fourth proportional to 61,505.44, 84,871.13 and 36,010.49 is: 49,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,505.44 : 84,871.13 = 36,010.49 : x
  2. Step 2: Convert to fraction form
    61,505.44/84,871.13 = 36,010.49/x
  3. Step 3: Cross multiply
    61,505.44x = 84,871.13 × 36,010.49
  4. Step 4: Simplify right side
    61,505.44x = 3,056,250,373.75
  5. Step 5: Solve for x
    x = 3,056,250,373.75/61,505.44
  6. Step 6: Final answer
    x = 49,690.73

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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.