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Finding the Fourth Proportional to 14,794.44, 20,416.62 and 8,170.44

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Solution

The fourth proportional to 14,794.44, 20,416.62 and 8,170.44 is: 11,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,794.44 : 20,416.62 = 8,170.44 : x
  2. Step 2: Convert to fraction form
    14,794.44/20,416.62 = 8,170.44/x
  3. Step 3: Cross multiply
    14,794.44x = 20,416.62 × 8,170.44
  4. Step 4: Simplify right side
    14,794.44x = 166,812,768.71
  5. Step 5: Solve for x
    x = 166,812,768.71/14,794.44
  6. Step 6: Final answer
    x = 11,275.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.