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Finding the Fourth Proportional to 24,579.60, 36,869.40 and 8,163.60

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Solution

The fourth proportional to 24,579.60, 36,869.40 and 8,163.60 is: 12,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,579.60 : 36,869.40 = 8,163.60 : x
  2. Step 2: Convert to fraction form
    24,579.60/36,869.40 = 8,163.60/x
  3. Step 3: Cross multiply
    24,579.60x = 36,869.40 × 8,163.60
  4. Step 4: Simplify right side
    24,579.60x = 300,987,033.84
  5. Step 5: Solve for x
    x = 300,987,033.84/24,579.60
  6. Step 6: Final answer
    x = 12,245.40

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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.