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Finding the Fourth Proportional to 16,873.60, 25,310.40 and 16,614.40

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Solution

The fourth proportional to 16,873.60, 25,310.40 and 16,614.40 is: 24,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.60 : 25,310.40 = 16,614.40 : x
  2. Step 2: Convert to fraction form
    16,873.60/25,310.40 = 16,614.40/x
  3. Step 3: Cross multiply
    16,873.60x = 25,310.40 × 16,614.40
  4. Step 4: Simplify right side
    16,873.60x = 420,517,109.76
  5. Step 5: Solve for x
    x = 420,517,109.76/16,873.60
  6. Step 6: Final answer
    x = 24,921.60

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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.