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Finding the Fourth Proportional to 8,489.03, 12,676.34 and 6,932.07

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Solution

The fourth proportional to 8,489.03, 12,676.34 and 6,932.07 is: 10,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.03 : 12,676.34 = 6,932.07 : x
  2. Step 2: Convert to fraction form
    8,489.03/12,676.34 = 6,932.07/x
  3. Step 3: Cross multiply
    8,489.03x = 12,676.34 × 6,932.07
  4. Step 4: Simplify right side
    8,489.03x = 87,873,293.55
  5. Step 5: Solve for x
    x = 87,873,293.55/8,489.03
  6. Step 6: Final answer
    x = 10,351.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.