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Finding the Fourth Proportional to 17,169.06, 25,748.01 and 5,479.50

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Solution

The fourth proportional to 17,169.06, 25,748.01 and 5,479.50 is: 8,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169.06 : 25,748.01 = 5,479.50 : x
  2. Step 2: Convert to fraction form
    17,169.06/25,748.01 = 5,479.50/x
  3. Step 3: Cross multiply
    17,169.06x = 25,748.01 × 5,479.50
  4. Step 4: Simplify right side
    17,169.06x = 141,086,220.80
  5. Step 5: Solve for x
    x = 141,086,220.80/17,169.06
  6. Step 6: Final answer
    x = 8,217.47

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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.