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Finding the Fourth Proportional to 17,000.65, 25,508.54 and 8,676.27

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Solution

The fourth proportional to 17,000.65, 25,508.54 and 8,676.27 is: 13,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,000.65 : 25,508.54 = 8,676.27 : x
  2. Step 2: Convert to fraction form
    17,000.65/25,508.54 = 8,676.27/x
  3. Step 3: Cross multiply
    17,000.65x = 25,508.54 × 8,676.27
  4. Step 4: Simplify right side
    17,000.65x = 221,318,936.96
  5. Step 5: Solve for x
    x = 221,318,936.96/17,000.65
  6. Step 6: Final answer
    x = 13,018.26

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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.