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Finding the Fourth Proportional to 62,976.66, 86,907.63 and 34,682.34

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Solution

The fourth proportional to 62,976.66, 86,907.63 and 34,682.34 is: 47,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,976.66 : 86,907.63 = 34,682.34 : x
  2. Step 2: Convert to fraction form
    62,976.66/86,907.63 = 34,682.34/x
  3. Step 3: Cross multiply
    62,976.66x = 86,907.63 × 34,682.34
  4. Step 4: Simplify right side
    62,976.66x = 3,014,159,972.25
  5. Step 5: Solve for x
    x = 3,014,159,972.25/62,976.66
  6. Step 6: Final answer
    x = 47,861.54

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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.