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Finding the Fourth Proportional to 16,863.85, 25,245.95 and 16,142.14

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Solution

The fourth proportional to 16,863.85, 25,245.95 and 16,142.14 is: 24,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.85 : 25,245.95 = 16,142.14 : x
  2. Step 2: Convert to fraction form
    16,863.85/25,245.95 = 16,142.14/x
  3. Step 3: Cross multiply
    16,863.85x = 25,245.95 × 16,142.14
  4. Step 4: Simplify right side
    16,863.85x = 407,523,659.33
  5. Step 5: Solve for x
    x = 407,523,659.33/16,863.85
  6. Step 6: Final answer
    x = 24,165.52

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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.