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Finding the Fourth Proportional to 16,859.58, 25,276.88 and 8,086.14

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Solution

The fourth proportional to 16,859.58, 25,276.88 and 8,086.14 is: 12,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.58 : 25,276.88 = 8,086.14 : x
  2. Step 2: Convert to fraction form
    16,859.58/25,276.88 = 8,086.14/x
  3. Step 3: Cross multiply
    16,859.58x = 25,276.88 × 8,086.14
  4. Step 4: Simplify right side
    16,859.58x = 204,392,390.44
  5. Step 5: Solve for x
    x = 204,392,390.44/16,859.58
  6. Step 6: Final answer
    x = 12,123.22

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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.