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Finding the Fourth Proportional to 16,708.56, 25,050.96 and 8,382.56

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Solution

The fourth proportional to 16,708.56, 25,050.96 and 8,382.56 is: 12,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,708.56 : 25,050.96 = 8,382.56 : x
  2. Step 2: Convert to fraction form
    16,708.56/25,050.96 = 8,382.56/x
  3. Step 3: Cross multiply
    16,708.56x = 25,050.96 × 8,382.56
  4. Step 4: Simplify right side
    16,708.56x = 209,991,175.26
  5. Step 5: Solve for x
    x = 209,991,175.26/16,708.56
  6. Step 6: Final answer
    x = 12,567.88

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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.