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Finding the Fourth Proportional to 43,293.92, 64,809.36 and 27,722.48

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Solution

The fourth proportional to 43,293.92, 64,809.36 and 27,722.48 is: 41,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,293.92 : 64,809.36 = 27,722.48 : x
  2. Step 2: Convert to fraction form
    43,293.92/64,809.36 = 27,722.48/x
  3. Step 3: Cross multiply
    43,293.92x = 64,809.36 × 27,722.48
  4. Step 4: Simplify right side
    43,293.92x = 1,796,676,186.41
  5. Step 5: Solve for x
    x = 1,796,676,186.41/43,293.92
  6. Step 6: Final answer
    x = 41,499.50

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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.