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Finding the Fourth Proportional to 17,257.80, 25,886.70 and 16,601.70

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Solution

The fourth proportional to 17,257.80, 25,886.70 and 16,601.70 is: 24,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,257.80 : 25,886.70 = 16,601.70 : x
  2. Step 2: Convert to fraction form
    17,257.80/25,886.70 = 16,601.70/x
  3. Step 3: Cross multiply
    17,257.80x = 25,886.70 × 16,601.70
  4. Step 4: Simplify right side
    17,257.80x = 429,763,227.39
  5. Step 5: Solve for x
    x = 429,763,227.39/17,257.80
  6. Step 6: Final answer
    x = 24,902.55

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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.