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Finding the Fourth Proportional to 34,976.43, 48,261.96 and 19,659.96

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Solution

The fourth proportional to 34,976.43, 48,261.96 and 19,659.96 is: 27,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,976.43 : 48,261.96 = 19,659.96 : x
  2. Step 2: Convert to fraction form
    34,976.43/48,261.96 = 19,659.96/x
  3. Step 3: Cross multiply
    34,976.43x = 48,261.96 × 19,659.96
  4. Step 4: Simplify right side
    34,976.43x = 948,828,203.12
  5. Step 5: Solve for x
    x = 948,828,203.12/34,976.43
  6. Step 6: Final answer
    x = 27,127.65

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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.