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Finding the Fourth Proportional to 16,406.20, 24,633.60 and 12,712.60

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Solution

The fourth proportional to 16,406.20, 24,633.60 and 12,712.60 is: 19,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,406.20 : 24,633.60 = 12,712.60 : x
  2. Step 2: Convert to fraction form
    16,406.20/24,633.60 = 12,712.60/x
  3. Step 3: Cross multiply
    16,406.20x = 24,633.60 × 12,712.60
  4. Step 4: Simplify right side
    16,406.20x = 313,157,103.36
  5. Step 5: Solve for x
    x = 313,157,103.36/16,406.20
  6. Step 6: Final answer
    x = 19,087.73

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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.