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Finding the Fourth Proportional to 17,012.50, 25,512.84 and 6,479.98

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Solution

The fourth proportional to 17,012.50, 25,512.84 and 6,479.98 is: 9,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.50 : 25,512.84 = 6,479.98 : x
  2. Step 2: Convert to fraction form
    17,012.50/25,512.84 = 6,479.98/x
  3. Step 3: Cross multiply
    17,012.50x = 25,512.84 × 6,479.98
  4. Step 4: Simplify right side
    17,012.50x = 165,322,692.94
  5. Step 5: Solve for x
    x = 165,322,692.94/17,012.50
  6. Step 6: Final answer
    x = 9,717.72

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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.