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Finding the Fourth Proportional to 16,257.61, 24,375.48 and 6,899.68

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Solution

The fourth proportional to 16,257.61, 24,375.48 and 6,899.68 is: 10,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,257.61 : 24,375.48 = 6,899.68 : x
  2. Step 2: Convert to fraction form
    16,257.61/24,375.48 = 6,899.68/x
  3. Step 3: Cross multiply
    16,257.61x = 24,375.48 × 6,899.68
  4. Step 4: Simplify right side
    16,257.61x = 168,183,011.85
  5. Step 5: Solve for x
    x = 168,183,011.85/16,257.61
  6. Step 6: Final answer
    x = 10,344.88

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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.