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Finding the Fourth Proportional to 8,297.66, 12,446.08 and 3,103.13

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Solution

The fourth proportional to 8,297.66, 12,446.08 and 3,103.13 is: 4,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.66 : 12,446.08 = 3,103.13 : x
  2. Step 2: Convert to fraction form
    8,297.66/12,446.08 = 3,103.13/x
  3. Step 3: Cross multiply
    8,297.66x = 12,446.08 × 3,103.13
  4. Step 4: Simplify right side
    8,297.66x = 38,621,726.48
  5. Step 5: Solve for x
    x = 38,621,726.48/8,297.66
  6. Step 6: Final answer
    x = 4,654.54

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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.