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Finding the Fourth Proportional to 43,813.80, 65,694.30 and 16,784.04

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Solution

The fourth proportional to 43,813.80, 65,694.30 and 16,784.04 is: 25,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,813.80 : 65,694.30 = 16,784.04 : x
  2. Step 2: Convert to fraction form
    43,813.80/65,694.30 = 16,784.04/x
  3. Step 3: Cross multiply
    43,813.80x = 65,694.30 × 16,784.04
  4. Step 4: Simplify right side
    43,813.80x = 1,102,615,758.97
  5. Step 5: Solve for x
    x = 1,102,615,758.97/43,813.80
  6. Step 6: Final answer
    x = 25,165.95

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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.