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Finding the Fourth Proportional to 61,607.36, 85,016.62 and 34,747.75

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Solution

The fourth proportional to 61,607.36, 85,016.62 and 34,747.75 is: 47,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,607.36 : 85,016.62 = 34,747.75 : x
  2. Step 2: Convert to fraction form
    61,607.36/85,016.62 = 34,747.75/x
  3. Step 3: Cross multiply
    61,607.36x = 85,016.62 × 34,747.75
  4. Step 4: Simplify right side
    61,607.36x = 2,954,135,958.19
  5. Step 5: Solve for x
    x = 2,954,135,958.19/61,607.36
  6. Step 6: Final answer
    x = 47,951.02

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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.