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Finding the Fourth Proportional to 61,620.59, 85,040.35 and 34,753.29

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Solution

The fourth proportional to 61,620.59, 85,040.35 and 34,753.29 is: 47,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,620.59 : 85,040.35 = 34,753.29 : x
  2. Step 2: Convert to fraction form
    61,620.59/85,040.35 = 34,753.29/x
  3. Step 3: Cross multiply
    61,620.59x = 85,040.35 × 34,753.29
  4. Step 4: Simplify right side
    61,620.59x = 2,955,431,945.25
  5. Step 5: Solve for x
    x = 2,955,431,945.25/61,620.59
  6. Step 6: Final answer
    x = 47,961.76

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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.