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Finding the Fourth Proportional to 17,000.68, 25,476.06 and 8,555.57

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Solution

The fourth proportional to 17,000.68, 25,476.06 and 8,555.57 is: 12,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.68 : 25,476.06 = 8,555.57 : x
  2. Step 2: Convert to fraction form
    17,000.68/25,476.06 = 8,555.57/x
  3. Step 3: Cross multiply
    17,000.68x = 25,476.06 × 8,555.57
  4. Step 4: Simplify right side
    17,000.68x = 217,962,310.43
  5. Step 5: Solve for x
    x = 217,962,310.43/17,000.68
  6. Step 6: Final answer
    x = 12,820.80

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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.