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Finding the Fourth Proportional to 16,797.64, 25,203.32 and 11,856.64

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Solution

The fourth proportional to 16,797.64, 25,203.32 and 11,856.64 is: 17,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.64 : 25,203.32 = 11,856.64 : x
  2. Step 2: Convert to fraction form
    16,797.64/25,203.32 = 11,856.64/x
  3. Step 3: Cross multiply
    16,797.64x = 25,203.32 × 11,856.64
  4. Step 4: Simplify right side
    16,797.64x = 298,826,692.04
  5. Step 5: Solve for x
    x = 298,826,692.04/16,797.64
  6. Step 6: Final answer
    x = 17,789.80

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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.