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Finding the Fourth Proportional to 61,610.52, 85,020.84 and 34,751.43

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Solution

The fourth proportional to 61,610.52, 85,020.84 and 34,751.43 is: 47,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,610.52 : 85,020.84 = 34,751.43 : x
  2. Step 2: Convert to fraction form
    61,610.52/85,020.84 = 34,751.43/x
  3. Step 3: Cross multiply
    61,610.52x = 85,020.84 × 34,751.43
  4. Step 4: Simplify right side
    61,610.52x = 2,954,595,769.80
  5. Step 5: Solve for x
    x = 2,954,595,769.80/61,610.52
  6. Step 6: Final answer
    x = 47,956.02

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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.