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Finding the Fourth Proportional to 61,753.58, 85,219.97 and 33,459.27

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Solution

The fourth proportional to 61,753.58, 85,219.97 and 33,459.27 is: 46,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,753.58 : 85,219.97 = 33,459.27 : x
  2. Step 2: Convert to fraction form
    61,753.58/85,219.97 = 33,459.27/x
  3. Step 3: Cross multiply
    61,753.58x = 85,219.97 × 33,459.27
  4. Step 4: Simplify right side
    61,753.58x = 2,851,397,978.11
  5. Step 5: Solve for x
    x = 2,851,397,978.11/61,753.58
  6. Step 6: Final answer
    x = 46,173.81

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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.