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Finding the Fourth Proportional to 62,967.90, 86,896.35 and 34,676.22

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Solution

The fourth proportional to 62,967.90, 86,896.35 and 34,676.22 is: 47,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,967.90 : 86,896.35 = 34,676.22 : x
  2. Step 2: Convert to fraction form
    62,967.90/86,896.35 = 34,676.22/x
  3. Step 3: Cross multiply
    62,967.90x = 86,896.35 × 34,676.22
  4. Step 4: Simplify right side
    62,967.90x = 3,013,236,949.80
  5. Step 5: Solve for x
    x = 3,013,236,949.80/62,967.90
  6. Step 6: Final answer
    x = 47,853.54

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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.