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Finding the Fourth Proportional to 17,170.80, 25,723.80 and 16,004.40

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Solution

The fourth proportional to 17,170.80, 25,723.80 and 16,004.40 is: 23,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.80 : 25,723.80 = 16,004.40 : x
  2. Step 2: Convert to fraction form
    17,170.80/25,723.80 = 16,004.40/x
  3. Step 3: Cross multiply
    17,170.80x = 25,723.80 × 16,004.40
  4. Step 4: Simplify right side
    17,170.80x = 411,693,984.72
  5. Step 5: Solve for x
    x = 411,693,984.72/17,170.80
  6. Step 6: Final answer
    x = 23,976.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.