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Finding the Fourth Proportional to 64,630.80, 96,906.48 and 25,141.92

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Solution

The fourth proportional to 64,630.80, 96,906.48 and 25,141.92 is: 37,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.80 : 96,906.48 = 25,141.92 : x
  2. Step 2: Convert to fraction form
    64,630.80/96,906.48 = 25,141.92/x
  3. Step 3: Cross multiply
    64,630.80x = 96,906.48 × 25,141.92
  4. Step 4: Simplify right side
    64,630.80x = 2,436,414,967.64
  5. Step 5: Solve for x
    x = 2,436,414,967.64/64,630.80
  6. Step 6: Final answer
    x = 37,697.43

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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.