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Finding the Fourth Proportional to 61,604.82, 85,012.92 and 34,747.08

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Solution

The fourth proportional to 61,604.82, 85,012.92 and 34,747.08 is: 47,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,604.82 : 85,012.92 = 34,747.08 : x
  2. Step 2: Convert to fraction form
    61,604.82/85,012.92 = 34,747.08/x
  3. Step 3: Cross multiply
    61,604.82x = 85,012.92 × 34,747.08
  4. Step 4: Simplify right side
    61,604.82x = 2,953,950,732.27
  5. Step 5: Solve for x
    x = 2,953,950,732.27/61,604.82
  6. Step 6: Final answer
    x = 47,949.99

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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.