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Finding the Fourth Proportional to 8,467.52, 12,673.68 and 7,659.20

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Solution

The fourth proportional to 8,467.52, 12,673.68 and 7,659.20 is: 11,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.52 : 12,673.68 = 7,659.20 : x
  2. Step 2: Convert to fraction form
    8,467.52/12,673.68 = 7,659.20/x
  3. Step 3: Cross multiply
    8,467.52x = 12,673.68 × 7,659.20
  4. Step 4: Simplify right side
    8,467.52x = 97,070,249.86
  5. Step 5: Solve for x
    x = 97,070,249.86/8,467.52
  6. Step 6: Final answer
    x = 11,463.83

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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.