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Finding the Fourth Proportional to 44,321.92, 66,474.24 and 16,614.40

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Solution

The fourth proportional to 44,321.92, 66,474.24 and 16,614.40 is: 24,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,321.92 : 66,474.24 = 16,614.40 : x
  2. Step 2: Convert to fraction form
    44,321.92/66,474.24 = 16,614.40/x
  3. Step 3: Cross multiply
    44,321.92x = 66,474.24 × 16,614.40
  4. Step 4: Simplify right side
    44,321.92x = 1,104,429,613.06
  5. Step 5: Solve for x
    x = 1,104,429,613.06/44,321.92
  6. Step 6: Final answer
    x = 24,918.36

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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.