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Finding the Fourth Proportional to 16,132.80, 24,202.80 and 12,633.60

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Solution

The fourth proportional to 16,132.80, 24,202.80 and 12,633.60 is: 18,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,132.80 : 24,202.80 = 12,633.60 : x
  2. Step 2: Convert to fraction form
    16,132.80/24,202.80 = 12,633.60/x
  3. Step 3: Cross multiply
    16,132.80x = 24,202.80 × 12,633.60
  4. Step 4: Simplify right side
    16,132.80x = 305,768,494.08
  5. Step 5: Solve for x
    x = 305,768,494.08/16,132.80
  6. Step 6: Final answer
    x = 18,953.22

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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.