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Finding the Fourth Proportional to 16,789.92, 25,168.48 and 8,444.90

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Solution

The fourth proportional to 16,789.92, 25,168.48 and 8,444.90 is: 12,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.92 : 25,168.48 = 8,444.90 : x
  2. Step 2: Convert to fraction form
    16,789.92/25,168.48 = 8,444.90/x
  3. Step 3: Cross multiply
    16,789.92x = 25,168.48 × 8,444.90
  4. Step 4: Simplify right side
    16,789.92x = 212,545,296.75
  5. Step 5: Solve for x
    x = 212,545,296.75/16,789.92
  6. Step 6: Final answer
    x = 12,659.10

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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.