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Finding the Fourth Proportional to 8,676.44, 13,028.96 and 7,590.12

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Solution

The fourth proportional to 8,676.44, 13,028.96 and 7,590.12 is: 11,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.44 : 13,028.96 = 7,590.12 : x
  2. Step 2: Convert to fraction form
    8,676.44/13,028.96 = 7,590.12/x
  3. Step 3: Cross multiply
    8,676.44x = 13,028.96 × 7,590.12
  4. Step 4: Simplify right side
    8,676.44x = 98,891,369.88
  5. Step 5: Solve for x
    x = 98,891,369.88/8,676.44
  6. Step 6: Final answer
    x = 11,397.69

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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.