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Finding the Fourth Proportional to 16,163.20, 24,244.80 and 10,914.40

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Solution

The fourth proportional to 16,163.20, 24,244.80 and 10,914.40 is: 16,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163.20 : 24,244.80 = 10,914.40 : x
  2. Step 2: Convert to fraction form
    16,163.20/24,244.80 = 10,914.40/x
  3. Step 3: Cross multiply
    16,163.20x = 24,244.80 × 10,914.40
  4. Step 4: Simplify right side
    16,163.20x = 264,617,445.12
  5. Step 5: Solve for x
    x = 264,617,445.12/16,163.20
  6. Step 6: Final answer
    x = 16,371.60

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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.