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Finding the Fourth Proportional to 44,409.97, 66,614.96 and 12,387.79

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Solution

The fourth proportional to 44,409.97, 66,614.96 and 12,387.79 is: 18,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,409.97 : 66,614.96 = 12,387.79 : x
  2. Step 2: Convert to fraction form
    44,409.97/66,614.96 = 12,387.79/x
  3. Step 3: Cross multiply
    44,409.97x = 66,614.96 × 12,387.79
  4. Step 4: Simplify right side
    44,409.97x = 825,211,805.19
  5. Step 5: Solve for x
    x = 825,211,805.19/44,409.97
  6. Step 6: Final answer
    x = 18,581.68

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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.