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Finding the Fourth Proportional to 17,304.80, 25,976.40 and 16,176.80

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Solution

The fourth proportional to 17,304.80, 25,976.40 and 16,176.80 is: 24,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,304.80 : 25,976.40 = 16,176.80 : x
  2. Step 2: Convert to fraction form
    17,304.80/25,976.40 = 16,176.80/x
  3. Step 3: Cross multiply
    17,304.80x = 25,976.40 × 16,176.80
  4. Step 4: Simplify right side
    17,304.80x = 420,215,027.52
  5. Step 5: Solve for x
    x = 420,215,027.52/17,304.80
  6. Step 6: Final answer
    x = 24,283.15

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1.5x scale

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.