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Finding the Fourth Proportional to 61,884.75, 85,405.17 and 35,027.16

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Solution

The fourth proportional to 61,884.75, 85,405.17 and 35,027.16 is: 48,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,884.75 : 85,405.17 = 35,027.16 : x
  2. Step 2: Convert to fraction form
    61,884.75/85,405.17 = 35,027.16/x
  3. Step 3: Cross multiply
    61,884.75x = 85,405.17 × 35,027.16
  4. Step 4: Simplify right side
    61,884.75x = 2,991,500,554.42
  5. Step 5: Solve for x
    x = 2,991,500,554.42/61,884.75
  6. Step 6: Final answer
    x = 48,339.87

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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.