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Finding the Fourth Proportional to 61,625.37, 85,042.75 and 34,767.89

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Solution

The fourth proportional to 61,625.37, 85,042.75 and 34,767.89 is: 47,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,625.37 : 85,042.75 = 34,767.89 : x
  2. Step 2: Convert to fraction form
    61,625.37/85,042.75 = 34,767.89/x
  3. Step 3: Cross multiply
    61,625.37x = 85,042.75 × 34,767.89
  4. Step 4: Simplify right side
    61,625.37x = 2,956,756,977.30
  5. Step 5: Solve for x
    x = 2,956,756,977.30/61,625.37
  6. Step 6: Final answer
    x = 47,979.54

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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.