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Finding the Fourth Proportional to 43,659.20, 65,323.92 and 26,732

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Solution

The fourth proportional to 43,659.20, 65,323.92 and 26,732 is: 39,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,659.20 : 65,323.92 = 26,732 : x
  2. Step 2: Convert to fraction form
    43,659.20/65,323.92 = 26,732/x
  3. Step 3: Cross multiply
    43,659.20x = 65,323.92 × 26,732
  4. Step 4: Simplify right side
    43,659.20x = 1,746,239,029.44
  5. Step 5: Solve for x
    x = 1,746,239,029.44/43,659.20
  6. Step 6: Final answer
    x = 39,997.05

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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.