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Finding the Fourth Proportional to 61,604.82, 85,014.53 and 34,747.25

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Solution

The fourth proportional to 61,604.82, 85,014.53 and 34,747.25 is: 47,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.82 : 85,014.53 = 34,747.25 : x
  2. Step 2: Convert to fraction form
    61,604.82/85,014.53 = 34,747.25/x
  3. Step 3: Cross multiply
    61,604.82x = 85,014.53 × 34,747.25
  4. Step 4: Simplify right side
    61,604.82x = 2,954,021,127.54
  5. Step 5: Solve for x
    x = 2,954,021,127.54/61,604.82
  6. Step 6: Final answer
    x = 47,951.14

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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.