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Finding the Fourth Proportional to 27,323.68, 40,936.08 and 12,544.96

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Solution

The fourth proportional to 27,323.68, 40,936.08 and 12,544.96 is: 18,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.68 : 40,936.08 = 12,544.96 : x
  2. Step 2: Convert to fraction form
    27,323.68/40,936.08 = 12,544.96/x
  3. Step 3: Cross multiply
    27,323.68x = 40,936.08 × 12,544.96
  4. Step 4: Simplify right side
    27,323.68x = 513,541,486.16
  5. Step 5: Solve for x
    x = 513,541,486.16/27,323.68
  6. Step 6: Final answer
    x = 18,794.74

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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.