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Finding the Fourth Proportional to 16,492.62, 24,720.36 and 8,178.60

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Solution

The fourth proportional to 16,492.62, 24,720.36 and 8,178.60 is: 12,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,492.62 : 24,720.36 = 8,178.60 : x
  2. Step 2: Convert to fraction form
    16,492.62/24,720.36 = 8,178.60/x
  3. Step 3: Cross multiply
    16,492.62x = 24,720.36 × 8,178.60
  4. Step 4: Simplify right side
    16,492.62x = 202,177,936.30
  5. Step 5: Solve for x
    x = 202,177,936.30/16,492.62
  6. Step 6: Final answer
    x = 12,258.69

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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.