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Finding the Fourth Proportional to 62,896.92, 86,798.32 and 34,216.84

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Solution

The fourth proportional to 62,896.92, 86,798.32 and 34,216.84 is: 47,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,896.92 : 86,798.32 = 34,216.84 : x
  2. Step 2: Convert to fraction form
    62,896.92/86,798.32 = 34,216.84/x
  3. Step 3: Cross multiply
    62,896.92x = 86,798.32 × 34,216.84
  4. Step 4: Simplify right side
    62,896.92x = 2,969,964,250.66
  5. Step 5: Solve for x
    x = 2,969,964,250.66/62,896.92
  6. Step 6: Final answer
    x = 47,219.55

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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.