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Finding the Fourth Proportional to 16,682.40, 25,023.60 and 8,906.40

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Solution

The fourth proportional to 16,682.40, 25,023.60 and 8,906.40 is: 13,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.40 : 25,023.60 = 8,906.40 : x
  2. Step 2: Convert to fraction form
    16,682.40/25,023.60 = 8,906.40/x
  3. Step 3: Cross multiply
    16,682.40x = 25,023.60 × 8,906.40
  4. Step 4: Simplify right side
    16,682.40x = 222,870,191.04
  5. Step 5: Solve for x
    x = 222,870,191.04/16,682.40
  6. Step 6: Final answer
    x = 13,359.60

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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.