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Finding the Fourth Proportional to 64,418.92, 96,659.32 and 33,254.20

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Solution

The fourth proportional to 64,418.92, 96,659.32 and 33,254.20 is: 49,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.92 : 96,659.32 = 33,254.20 : x
  2. Step 2: Convert to fraction form
    64,418.92/96,659.32 = 33,254.20/x
  3. Step 3: Cross multiply
    64,418.92x = 96,659.32 × 33,254.20
  4. Step 4: Simplify right side
    64,418.92x = 3,214,328,359.14
  5. Step 5: Solve for x
    x = 3,214,328,359.14/64,418.92
  6. Step 6: Final answer
    x = 49,897.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.